77+2.7+4.6脱式计算简便怎么写?

2025-03-26 12:14:02
推荐回答(2个)
回答1:

脱式计算过程方法如下
解:77+2.7+4.6
=77+(2.7+4.6)
=77+7.3
=84.3

回答2:

77+2.7+4.6
=77+3-0.3+4.6
=80+4.3
=84.3