1. The school planned to invest 450,000 yuan in the construction of the school building, but the actual investment was 400,000 yuan. What percent of the actual investment was saved?
2. The school planned to use 480 kilowatts of electricity in May, but actually used 60 kilowatts less. What percent of the actual electricity consumption was saved? (Fujian Yunyunxiao Experimental Primary School)
3. A factory planned to produce 400 TV sets in March, but actually produced 250 sets in the first half of the month and 230 sets in the second half of the month. what percent of the plan was actually exceeded? (Nanchang Qingyunpu District)
4. existing A, B, C three water pipes, A water pipe to 4 grams per second flow out of salt water containing 20% salt, B water pipe to 6 grams per second flow out of salt water containing 15% salt, C water pipe to 10 grams per second flow out of the water, C pipe open after the beginning of 2 seconds does not flow, then flow 5 seconds, and then stop for 2 seconds, and then flow for 5 seconds! ...... three tubes open at the same time, 1 minute later are closed, this time the outflow of the mixture containing salt percent? (Wuhan University Affiliated Foreign Language School)
5. There are 75 students in the painting and calligraphy class of Xinguang Elementary School, and 48 students in the dance class, and what percent is the number of students in the painting and calligraphy class more than that in the dance class? (Nanning City)
6. Xiaoming experimented with a packet of mung beans in which 100 seeds germinated and 25 seeds did not germinate, find the germination rate of the packet of mung beans. (Wenling, Zhejiang)
Looking at 4 pages, what fraction of the whole book was read the next day? (Wuxi City, Jiangsu Province)
8. Donations for the disaster area, Xiaohua donated 4.2 yuan, than Xiaoli donated 0.4 yuan, Xiaohua than Xiaoli more than what fraction? (Anyang City, Henan Province)
9. A dress is sold at 20% discount for 100 yuan, the actual 90 yuan sold. How many discounts does it actually sell for? (Xianju County, Zhejiang Province)
10. 600 kilograms of rice were brought to the cafeteria and have been eaten for 4 days, 50 kilograms per day. How many kilograms per day on average will be eaten in the remaining 5 days? (Jianye District, Nanjing)
11. 3 boxes of oranges have 24 kg less than 3 baskets of apples. On average, each box of oranges weighs 20 kilograms, and each basket of apples weighs how many kilograms? (Taizhou city, Zhejiang Province)
12. In the greening of the motherland collection of tree species in the activities of a school of the fourth grade 5 classes, each class collection of tree species 20 kg, 3 classes of fifth grade *** collection of 60 kg, the average class collection of tree species how many kilograms? (Shanghai)
13. Bridge Township repair a 2100-meter-long aqueduct, has been repaired for 5 days, an average of 240 meters per day. How many meters should be repaired on average per day for the remaining task to be completed in 3 days? (Nanjing Qinhuai District)
14. Xiaoming went to the store to buy 3 mini-soccer ball to pay 20 yuan, get back 1.85 yuan, how many yuan per soccer ball? (Yinchuan City Experimental Primary School)
15. A class has four teams, each team has 12 pioneers, in the "Project Hope" donation activities, *** donation of 240 yuan. On average, how many yuan per pioneer donation? (Shanghai)
16. Yucai Primary School bought 2 small soccer balls and 25 long rope, *** used 408.5 yuan, the price of each small soccer ball is 48 yuan, each long rope is sold for how many yuan? (Nanchang District, Wuxi City, Jiangsu Province)
17. Wang Hua bought 5 copies each of Fun Math and The King of Stories, and used 20 yuan for one ****. Each book of "Fun Math" is 2.6 yuan, and each book of "Story King" how many yuan? (Yanta District, Xi'an)
18. A transport team is to carry 89 tons of goods, 10.5 tons each of the first three times. The rest will be transported in 5 times. How many tons will be transported on average each time? (Shanghai Municipality)
19. 4 students play singles on a table tennis table for 60 minutes, how many minutes on average did each of them play? (Jian'ou City, Fujian Province)
20. The average score of the final exam in language, math and general knowledge is 95, and the average score of the language and math is 93. (Jiangshan City, Zhejiang Province)
21. five (1) classmates planted trees, 26 boys planted an average of 6 trees each, 24 girls planted an average of 5 trees each. How many trees did the boys and girls plant on average? (Donghu District, Nanchang)
22. Li Dong takes 5 yuan to buy stationery. He has used 1.5 yuan to buy pencils, and the rest to buy exercise books at 0.35 yuan each. How many exercise books can he buy? (Shanghai Changqing School)
23. A batch of apples, if divided equally among the children in the kindergarten class, each person can get 6; if divided equally among the children in the kindergarten class, each person can get 3; if divided equally among the children in the older and younger classes, how many can each person get? (Jianye District, Nanjing)
24. The Tokusin Watch Factory originally planned to produce 75 watches per day and complete the task in 12 days. The actual 10 days to complete the task, the actual average daily production of how many pieces? (Wuhan Qingshan School)
25. experimental elementary school to carry out "environmental protection week to plant pots of flowers" activities, the first three days of an average of 114 pots per day, the last four days *** planted 750 pots of flowers, "environmental protection week" in an average of pots of flowers per day how many pots planted? (Changsha City Experimental Primary School)
The remaining 7.5 hours to plow, the average hour to plow how many? (Yangxin County, Hubei)
27. a loom 7 hours to weave cloth 105 meters, according to this speed, and then weave 8 hours, a *** can weave cloth how many meters? (Lin'an City, Zhejiang Province)
28. A car 3 hours line 135 kilometers, according to this calculation, 8 hours line how many kilometers? (Guilin, Guangxi)
29.120 kg of soybeans can be squeezed out of soybean oil 16.2 kg, 2000 kg of soybeans can be squeezed out of soybean oil how many kilograms? (with proportional solution) (Taishun County, Zhejiang)
30. A processing plant 2 mills can grind 14.4 tons of flour in 3 hours. According to this calculation, 6 milling machines 8 hours a *** can grind how many tons of flour? (Fujian Jianou City)
31.a clothing factory received the production of 1200 pieces of shirts task, the first 3 days completed 40%, according to this calculation, to complete the task also need how many days? (Write two different solutions) (Hefei City, downtown Shouchun school)
32. a engineering team to pave a highway, the first 20 days has been paved 2.8 kilometers, according to such calculations, the remaining 4.2 kilometers of the roadway, how many days are needed to pave the completion of the roadway? (Proportional method of solving) (Linhai City, Zhejiang Province)
33. Harvest Agricultural Tools Factory manufactures a batch of sickles. The original plan was to manufacture 360 per day, 18 days to complete. The actual daily manufacturing 72 more, according to this calculation, how many days to complete the task? (Qingshan District, Wuhan)
34.Changfeng Electric Fan Factory plans to produce 2800 electric fans. It has produced 672 units in the first 6 days. According to this calculation, how many more days of production will it take to complete the task? (Baixia District, Nanjing City)
35. Yumin Primary School School factory, the original plan for 12 days to bind 21600 exercise books, the actual daily than the original plan to bind 360. How many days did it take to actually complete the production task? (Tianjin Hongqiao District)
36.Xiaoqing read a 260-page storybook, the first 3 days to read 20 pages a day, if the rest of the day to read 25 pages, how many more days to finish? (Chengzhong District, Xining City)
37.school bought 342 meters of plastic rope to do short jump rope, the first cut the same length of 5, a **** with 9 meters, according to this calculation, buy plastic rope can do short jump rope how many? (Nanjing Gulou District)
38. two baskets of apples unit price is the same, a basket of apples weighing 64 kg, a basket of apples weighing 48 kg, two baskets are sold after a part of the rest of the weight of the apples is equal, known as a basket than the A basket of the B basket was sold 56 yuan less, the A basket of apples can be sold for how many yuan? (Hefei City, downtown Shouchun School)
39. ShiXin watch factory original plan 25 days to produce 1,000 watches, the actual daily production of 50, the actual than the plan a few days ahead of schedule to complete the task? (Kaifeng City, Henan Province)
40. TV Factory planned to produce 1,200 TV sets in 30 days, the actual daily production of 10 more than planned, the actual number of days to complete the task? (Dongyang City, Zhejiang Province)
41. clothing factory to process a batch of school uniforms, the original plan to produce 250 sets per day, 30 days can be completed, the actual production of 300 sets per day, the actual number of days to complete? (with proportional solution) (Jingdezhen City, Jiangxi Province)
42. a batch of goods, the original plan to take 18 tons per day, 84 days to finish, the actual 21 tons per day, the actual days to finish? (with proportional solution) (Yinchuan City, the twenty-first elementary school)
43. assembly team to assemble a batch of washing machines, planned to assemble 27 units per day, 20 days to complete the task. The actual assembly of 30 units per day, only a few days to complete the task? (Beitang District, Wuxi City, Jiangsu Province)
44. 24 tons of coal were shipped to the cafeteria of Daqing Elementary School, which was planned to burn for 50 days. The actual daily savings of 0.08 tons, how many days actually burned? (Yueqing City, Zhejiang Province)
45.Workshop production of a batch of parts, 65 sets of production per day, 12 days after the production of 130 sets of short of how many sets of this batch of parts a ****? (Wuhan City, Jianghan District, Slippery Slope Road Primary School)
46.Hope Primary School to decorate the multimedia classroom. Plan to use the side length of 30 centimeters of glazed square tiles pavement, need 900 pieces, the actual side length of 50 centimeters of square marble pavement, how many pieces are needed? (with proportionality knowledge solution) (Nanchang Donghu District)
47. Binding a batch of the same exercise books, the original plan to install 16 pages per book, can be bound 250, if you want to bind into 200, how many pages per book should be installed? (with proportional solution) (Guilin City, Guangxi)
48. Clothing factory originally planned to do 120 sets of suits, each set of suits with 4.8 meters of cloth, after improving the cutting method, each set of savings with 0.3 meters of cloth. How many suits can be made from the cloth saved? (Shanghai Changqing School)
49. master than the apprentice more than 192 parts, known master processing the number of parts is 4 times the apprentice, master and apprentice two people each processing how many parts? (Solve with equation) (Yinchuan twenty-one elementary school)
50.Hongguang farm equipment factory produced 600 pieces of farm equipment in May, 25% more than in April, how many pieces of farm equipment were produced in April? (Qingshan District, Wuhan City)
51.Red Star Textile Factory has 174 female workers, six fewer than three times the number of male workers, how many workers are there in the whole factory***? (Shaoxing County, Zhejiang Province)
Two ways to solve)(Yinchuan Experimental Primary School)
53.Beilei Elementary School has 86 students in the third grade, which is 4 fewer than twice the number of students in the second grade, how many students are there in the second grade? (Changsha Experimental Primary School)
54. There are 630 boys in a school, and the ratio of the number of boys to the number of girls is 7:8, how many girls are there in this school? (Shangcheng District, Hangzhou)
55.Zhang Hua read a storybook, the first day of reading 15% of the book 4 pages less, then the number of pages read and the number of pages left is 1:7. how many pages of this storybook ****? (Pingyang County, Zhejiang Province)
56. A bookshelf has two layers, the number of books on the upper layer is three times the number of books on the lower layer; if the books on the upper layer of the book to take 30 to the lower layer, then the number of books on the two layers of the book is exactly the same. How many books are on each of the two shelves? (Hongkou District, Shanghai)
57. The first shelf has 89 books, 16 fewer than the second, the third shelf has books 1.5 times the sum of the first and second, how many books are on the third shelf? (Nanchang Qingyunpu District)
The ratio of the number of art books to the number of the other two kinds of books is 1:5, and there are 180 books in the tool books and literary books***. How many books are there in the book box***? (Wuxi City, Jiangsu Province)
59. There are two students, A and B, A students saved 27 yuan, two people each donated 15 yuan for the people in the disaster area, A and B students left the number of money than 3:4, B students originally have savings how many yuan? (Jingdezhen City, Jiangxi Province)
60. Xiaohong and Xiaofang have saved some pocket money. They saved money than 5:3, in the "support disaster areas" donation activities in the small red donations 26 yuan, small Fang donated 10 yuan, then they have the same amount of money left. How much money did Xiaohong have? (Qingshan District, Wuhan City)
61. The school bought 315 saplings and planned to plant them in the middle and upper grades at 3:4. How many more trees were planted in the upper grades than in the middle grades? (Shijiazhuang Chang'an District)
62. 180 trees were planted in the third, fourth and fifth grades***, and the ratio of trees planted in the third, fourth and fifth grades was 3:5:7. How many trees were planted in each of the three grades? (Changshan County, Zhejiang Province)
63. The school plans to divide the tree-planting task between the sixth grade and other grades according to 5:3. As a result, the number of trees planted by the sixth grade accounted for 75% of the total number of trees in the school, which is 20 trees more than planned. How many trees did the school plan to plant? (Yanta District, Xi'an City)
64. A cup of 80 grams of salt water, there are 4 grams of salt, now to make this cup of salt water in the ratio of salt and water to 1:9, how many grams of salt need to be added or how many grams of water need to be evaporated? (Deqing County, Zhejiang Province)
65. fruit store shipped apples and pears *** 540 kg, apples and pears weight ratio is 12:15. how many kilograms of pears shipped? (Baixia District, Nanjing)
66. fruit store shipped 300 kilograms of oranges, shipped grapes than oranges more than 50 kilograms, shipped apples weighing twice as much as grapes, apples more than oranges shipped how many kilograms? (Hongkou District, Shanghai)
67. 960 kilograms of feed is divided 7:5 between A and B chicken farmers. How many more kilograms of feed does Specialist A get than Specialist B? (Qinhuai District, Nanjing)
68. Two warehouses, A and B, originally stored equal amounts of paddy. Now warehouse A shipped out 14 tons of paddy, warehouse B shipped out 26 tons of paddy, then warehouse A remaining paddy than warehouse B remaining paddy 40% more. How many tons of paddy were stored in each of the two warehouses? (Jiaxing City, Zhejiang Province)
69. The school playground is a rectangle, the perimeter is 280 meters, length, width ratio is 4:3, the length of the playground, the width of how many meters? (Songzi City, Hubei)
70.Bibo kindergarten has a piece of ingenious and beautiful rectangular flower beds, perimeter is 64 meters, length and width ratio is 5:3, this flower bed covers how many square meters? (Changsha City Experimental Primary School)
71. In a scale is the map, measured the distance between A and B is 5 centimeters, A, B, the actual distance between the two places is how many kilometers? (Donghu District, Nanchang City)
72. A toy factory to produce a batch of children's toys, the original plan to produce 120 pieces per day, 75 days to complete. In order to meet the "June 1" Children's Day, the actual only 60 days to complete the task. How many toys were actually produced per day? (with two methods) (Wenling City, Zhejiang Province)
73. A, B two furniture factories to produce the same specifications of the single desks, chairs, due to the A, B two factories special
Can produce 1500 sets of desks and chairs. Now the two factories joint production, after rationalization, try to play their respective strengths. How many sets of desks and chairs can the two factories produce per month more than in the past? (Wuhan Foreign Language School)
74. construction site to transport 122 tons of cement, with a load of 4 tons of cars transported 18 times, the rest with a load of 2.5 tons of cars transported, but also transported how many times? (Zhuji City, Zhejiang Province)
75.An air-conditioning machine factory produced 1,800 air-conditioning machines in April and increased production by 10 percent in May compared with April. How many air-conditioners were produced in April and May***? (Beitang District, Wuxi City, Jiangsu Province)
76. Master and apprentice two people cooperate to produce a batch of parts, the master produces 40 per hour, the apprentice produces 30 per hour, such as the completion of the task when the apprentice produced exactly 450, this batch of parts **** a few? (Qingshan District, Wuhan City)
77. A 48 parts per hour, B 36 parts per hour, two *** with the work 8 hours later, the inspection of 64 scrap. Two people on average per hour *** processing how many qualified parts? (Shanghai)
Di produced 540, how many parts in this batch? (Cixi City, Zhejiang Province)
79. To produce 350 parts, A and B **** the same production after 3.5 hours, 80% of the task is completed. Known A do 42 per hour, B do how many per hour? (Ninghai County, Zhejiang)
80. A, B two people at the same time processing the same number of parts, A per hour plus Improve the efficiency of the work, and used 7.5 hours to complete all the processing tasks. At this point, A still has 20 parts left to complete. Find the number of parts processed per hour after B improves efficiency. (Ningbo City, Zhejiang Jiangdong District)
81. master and apprentice processing a batch of parts, the apprentice has processed 20% of the total number of masters processed the total number of Spectrum District)
82. a fertilizer factory in the first quarter of the average monthly production of fertilizer 24,000 tons in the first two months of production of fertilizer in the first quarter of the total amount of fertilizer produced in March 0.8 million tons more than the March production of fertilizer in how many tons of fertilizer in March? (Lin'an City, Zhejiang Province)
Tons. How many tons of cement **** are in this batch? (Dangyang City, Hubei Province)
84.Hongxing Township harvested 3,600 tons of corn this year, an increase of 20% over last year's production, how many tons of corn were harvested last year? (Huangpu District, Guangzhou City)
85. Buy 6 volleyballs and 8 basketballs *** used 249.6 yuan. The unit price of the volleyballs is known to be 15.6 yuan. What is the unit price of the basketballs in dollars? (Yinxian, Zhejiang)
The ones that are and the ones that aren't repaired are just as many. How many meters long is this stretch of highway? (Qingshan District, Wuhan City)
87. The road building team built 55 meters of road on the first day, the second day built three times as much as the first day, and the third day built 30 meters less than the total of the first two days, how many meters of road were built on the third day? (Beitang District, Wuxi City, Jiangsu Province)
4700 meters are unpaved. How many meters is the total length of the road? (Yueqing City, Zhejiang Province)
89. The engineering team paved the sports ground, 200 square meters in 4 days. According to this progress, 32 days paved the sports field, find the area of this sports field. (two ways to answer, one of which is solved by proportionality) (Dongyang City, Zhejiang Province)
90.Tokusin Watch Factory originally planned to produce 75 watches per day, 12 days to complete the task. Actual than the plan to produce 15 more per day, the actual number of days to complete the task? (Qingshan District, Wuhan)
91.An assembly team is to assemble a batch of washing machines and plans to assemble 20 units per day and complete the task in 15 days. How many days will it take to complete the task when it actually assembles 30 units per day? (Solve by the proportional method.) (Xi'an City Central District)
92.A machine shop manufactures a batch of parts, originally planned to produce 250 per day and complete the job in 12 days, and actually produced 1.5 times as many per day. How many days did it actually take to complete the batch of parts? (Shanghai Changqing School)
93.The road construction team to repair a road, the original plan to repair 3.2 kilometers per day, 45 days can be completed, the actual repair 3.6 kilometers per day, how many days can be completed? (Guilin, Guangxi)
94. A project, team A alone to do to 12 hours to complete, team B alone to do to 15 hours to complete, now the two teams together to do how many hours to complete half of the project? (Huangpu District, Guangzhou City)
95. Processing a batch of parts, the master alone processing to be completed in 30 hours, if the apprentice first 9 hours of processing, the rest of the master processing, but also 24 hours, then the apprentice alone processing to be completed in how many hours? (Jingdezhen City, Jiangxi Province)
It can be finished in 10 hours if it is beaten alone. Find how many hours it can be finished if it is beaten by Xiao Zhang alone. (Dangyang City, Hubei Province)
97. A shipment of goods, transported by both large and small trucks, can be completed in 6 hours, and if it is transported by a large truck alone, it can be completed in 10 hours. How many hours will it take to finish it if it is transported by a small truck alone? (Changshan County, Zhejiang Province)
A rested for 3 days, B rested for 2 days, and C did not rest. If the amount of work done by A in one day is 3 times the amount of work done by C in one day, and the amount of work done by B in one day is 2 times the amount of work done by C in one day, how many days from the beginning was this work, counted, completed? (Nanchang Foreign Language School)
99. A project can be completed in 16 days by A alone and in 12 days by B alone. Now B will do it first for 3 days and A will do the rest. How many more days will it take to complete the project? (Chang'an District, Shijiazhuang City)
If it takes 24 days for team B to complete it alone, how many days will it take for team A to do it alone? (Qingshan District, Wuhan)
After 2 days, how many more days will the remaining B have to do? (Yinchuan 21st Primary School)
102.A project is completed in 15 days by team A alone and in 12 days by team B alone. Now, after A and B work together for 4 days, the rest of the work is done by team C in 8 days. How many days will it take to complete the project if it is done by team C alone? (Deqing County, Zhejiang Province)
Now, how many days will it take for the two teams to complete the work? (Yangxin County, Hubei)
If the two teams work together, how many days will it take to finish? (Xiangshan County, Zhejiang Province)
105. A highway is 1500 meters long, and it takes 15 days to repair A alone and 10 days to repair B. How many days does it take for the two teams to finish? (Jiangshan City, Zhejiang Province)
Jiangdong District)
107. A job, A alone to complete the work takes 8 days, B's work efficiency is two times that of A, two people at the same time, how many days to complete the work? (Tianjin Hongqiao District)
108.Master and apprentice *** with the completion of a job, the apprentice alone to do 20 days to complete, than the master more than 4 days to complete, if the master and apprentice need a few days to complete the cooperation? (Yinchuan City Experimental Primary School)
110.A work, A alone to do 10 days to complete, B alone to do 15 days to complete. How many days can A and B together complete 80% of the work? (Wenling City, Zhejiang Province)
111.A and B are 6 kilometers apart. Zhang Ming rides his bicycle from A to B to do some work, and he must be back in 55 minutes. If the errand takes 5 minutes, what should be the average speed of Zhang Ming's bicycle ride at least? (Xianju County, Zhejiang Province)
112. It takes Xiao Ming 35 minutes to walk from his home to school, but only 10 minutes to ride a bicycle. He rode a bicycle from home, line 8 minutes of bicycle failure, that is, to walk, Xiaoming from home to school *** with how many minutes? (Taizhou City, Zhejiang Province)
113. Zhang Hua walks from home to school in 15 minutes and rides a bicycle in 5 minutes. He sets off from home on his bike and after 3 minutes his car breaks down and he changes to walk. How many minutes did he walk to reach the school? (Kaifeng City, Henan Province)
114. A and B are 240 kilometers away from each other, a car from A to B, 80 kilometers in 2 hours, according to this calculation, how many hours do you need to travel the whole distance? (Shijiazhuang Chang'an District)
115. A car from A to B, 50 kilometers per hour, 6 hours to arrive; return, 60 kilometers per hour, how many hours to arrive? (Hongkou District, Shanghai)
116. From City A to City B, the railroad is 760 kilometers long, and a train travels 285 kilometers in 3 hours, according to this calculation, how many hours does it take to travel from City A to City B? (with two ways to answer, one of them to use proportional solution) (Zhejiang Shangyu City)
117.scientific research ship is planned to travel 25 kilometers per hour, 48 hours to reach the predetermined sea for scientific experiments. How many kilometers per hour will it need to travel if it is to arrive 8 hours earlier? (Jiaxing City, Zhejiang Province)
118. Two trains leave opposite each other at the same time from two places 432 kilometers apart, and the two cars meet four hours later. The fast train travels 60 kilometers per hour, find how many kilometers per hour the slow train travels. (Equations) (Hubei Dangyang City)
119. A, B two cars at the same time from the distance of 520 kilometers between the two places in the opposite direction, 5 hours to meet, known as car A per hour than car B per hour more than 6 kilometers. How many kilometers per hour do each of the two cars A and B travel? (Shanghai)
Kilometers, how many kilometers per hour car B line? (Wuhan City, Jianghan District, slippery slope Road Primary School)
121.A, B two trains from A, B, respectively, at the same time relative to each other, after 6 hours to meet, meet the two cars according to the original speed to continue to travel, and after 4 hours, car A arrived at the B place. Known as car A per hour than car B more than 12 km, how many kilometers per hour car A line. (Gulou District, Nanjing)
122. a train of trucks at 6:00 in the morning from A to B, an average of 45 kilometers per hour, a train of buses from B to A, an average of 15 kilometers per hour faster than the trucks, known as the bus than the trucks 2 hours late, 12:00 noon, the two cars at the same time through the way to a station, and then continue to move forward, when the bus arrived at the A, the trucks away from the B and how many kilometers? (Nanchang Foreign Language School) (Nanchang Foreign Language School)
123. students to visit the exhibition hall, part of the students riding bicycles, their speed is 24 km per hour; part of the students walking, their speed is 6 km per hour. The students started from the school at the same time. 15 minutes later, the students on bicycles arrived at the exhibition hall, how far away from the exhibition hall are the students on foot? (Nanchang District, Wuxi City, Jiangsu Province)
124. A and B two cars from two places at the same time traveling in opposite directions. When they meet, the distance traveled by car A is more than that of car B
125.Car A and car B start at the same time from point A and drive in different directions, 4 hours later car B arrives at point C, which car A travels more than car B by 30 kilometers, and car A is known to go around the rectangular ring road in 7 hours, and how many kilometers is the length of this ring road? (Xiangshan County, Zhejiang Province)
126. A, B two people around the circular runway race around a circle, both of them at the same time from point A walking in the same direction. In the A course of the ratio of 4:5, the full length of the circular runway. (Fujian Jian'ou City)
127. Two cars were driven from A and B at the same time relative to each other. Is it known that car A travels 70 less kilometers per hour? (Huangpu District, Guangzhou City)
128. passenger cars and trucks at the same time from A, B, two places opposite each other, the passenger car line the full distance takes 10 hours, trucks 42 kilometers per hour, 3 hours later, the two cars traveled the distance of the sum of the distance and the rest of the distance is equal to the distance between the A, B and how many kilometers away from the two places? (Nanchang Qingyunpu District)
129. A, B two trains from the two stations at the same time to the opposite direction, A car average of 90 kilometers per hour, the distance is how many kilometers? (Taishun County, Zhejiang)
130.a pedestrian street on the A, B two places 600 meters apart, Zhang Hua every hour to walk 4 km, Wang Wei every hour to walk 5 km. 8 o'clock at the same time they both from A, B, two places at the same time to go in the same direction, 1 minute later they turned around, the reverse, and then 3 minutes later, they turned around and go in the same direction, in turn, in accordance with 1, 3, 5, 7 ...... (consecutive odd) minutes to turn around and walk. So Zhang Hua and Wang Wei met at 8:00 how many minutes? (Affiliated Foreign Language School of Wuhan University)
131. It takes 6 hours for car A and 10 hours for car B to go from place A to place B. The two cars start from place A to place B at the same time. Both cars start from A to B at the same time, and car A returns immediately after arriving at B. How many hours after their departure do they meet? How many hours after their departure do the two cars meet? (Songzi County, Hubei)
132. A and B are 210 kilometers apart, car A and car B depart from A and B at the same time, respectively, can they meet? (Qingshan District, Wuhan)
If two cars are traveling in opposite directions at the same time from both ends of this highway, how many hours will they meet? (Shouchun School, Central District, Hefei)
How many square tiles of meters are needed to pave the floor? (Fujian Yunxiao Experimental Primary School)
135. a cylindrical measuring cup with an inner diameter of 8 cm, the height of the medicine inside is 16 cm, cha Elementary School)
136. a cylindrical tin bucket without a lid, the height of 24 cm, the radius of the bottom surface is 10 cm, how many square centimeters of tin are used to make this bucket? (The number of square centimeters to retain the whole hundred square centimeters) (Xining City, Xining City)
137. a wooden box is 9 decimeters long, 6 decimeters wide, 4 decimeters high, to do this kind of box 10 (with a lid), at least how many square meters of boards need to be used? (Shangyu, Zhejiang)
138.A cylindrical grain hoard filled with wheat has a base area of 3.5 square meters and a height of 1.8 meters. If this wheat is piled up into a conical wheat pile with a height of 1.5 meters, what is the area of square meters? (Nanchang District, Wuxi, Jiangsu)
What is the volume of the body in cubic decimeters? (Yanta District, Xi'an City)
140.How many cubic decimeters of water can be held in a cylindrical bucket with a base diameter and height of 6 decimeters? (Anyang City, Henan Province)
141.A rectangular swimming pool is 50 meters long, 25 meters wide and 2 meters deep.