1.8/0.25 巧算
问题描述:
1.8/0.25 巧算
答
1.8/0.25
=1.8÷(1/4)
=1.8×4
=7.2
答
原式=1.8×4=7.2
答
1.8/0.25
=(1.8×4)÷(0.25×4)
=7.2÷1
=7.2