简便方法计算:7/16×9-7/16×7

问题描述:

简便方法计算:7/16×9-7/16×7

:7/16×9-7/16×7
=:7/16×(9-7)
=7/8那95.6×8+0.4÷0.125呢?95.6×8+0.4÷0.125=95.6×8+0.4*8=8*(95.6+0.4)=8*96=768