0.38除以十二分之五加上3.8乘以0.76等于多少(简便计算)

问题描述:

0.38除以十二分之五加上3.8乘以0.76等于多少(简便计算)

0.38÷5/12+3.8x0.76
=0.38x2.4+0.38x7.6
=0.38x(2.4+7.6)
=0.38x10
=3.8