Current location - Health Road Network - Sports health - The results of oral health examination of grade one and grade six students in bright primary school are as follows: (1) Complete the following statistics according to the statistical information.
The results of oral health examination of grade one and grade six students in bright primary school are as follows: (1) Complete the following statistics according to the statistical information.
( 1);
(2) First grade:14 ÷ 52 ≈ 30%;
Sixth grade: 33 ÷ 58 ≈ 57%.
Answer: About 30% of the first-grade students have no dental caries, and about 57% of the sixth-grade students have no dental caries.