一个正方体的的长是7m,宽是5m.高是3.6m.它的棱长之和是多少?

问题描述:

一个正方体的的长是7m,宽是5m.高是3.6m.它的棱长之和是多少?

:(7+5+3.6)x4=62.4m

(7+5+3.6)x4=62.4m

它的棱长之和是:(7+5+3.6)x4=62.4m