【1/4乘2/5+(5 又1/2)-5】除以0.6等于

问题描述:

【1/4乘2/5+(5 又1/2)-5】除以0.6等于

【1/4乘2/5+(5 又1/2)-5】除以0.6
=(1/10+5.5-5)÷0.6
=0.6÷0.6
=1