5.7除以0.125的简便运算算试怎么列

问题描述:

5.7除以0.125的简便运算算试怎么列

5.7÷0.125
=(5.7×8)÷(0.125×8)
=45.6÷1
=45.64.2除以35的简便运算列式怎么列?4.2÷35=4.2÷7÷5=0.6÷5=(0.6×2)÷(5×2)=1.2÷10=0.12