Current location - Health Road Network - Complete square dance - Wrap a cuboid carton with ribbons, 7 cm long, 5 cm wide and 4 cm high. The knotted part is 50 cm long. How long is this ribbon?
Wrap a cuboid carton with ribbons, 7 cm long, 5 cm wide and 4 cm high. The knotted part is 50 cm long. How long is this ribbon?
Hanyushen_ 1, hello:
Two lengths: 7× 2 = 14 (decimeter) = 1.4 (meter)
Width of two bands: 5× 2 = 10 (decimeter) = 1 (meter)
Height of four rods: 4× 4 = 16 (decimeter) = 1.6 (meter)