87.5×0.036 +0.875×6.4用简便方法计算

2025-02-26 11:42:32
推荐回答(2个)
回答1:


8.75

回答2:

87.5*0.036+87.5*0.064
=87.5*(0.036+0.064)
=87.5*0.1
=8.75