计算下面各题你认为怎样简便就怎样算,0.56×99?

2024-11-22 17:05:48
推荐回答(4个)
回答1:

0.56x99
=0.56x99+1-0.56
=0.56x100-0.56
=56-0.56
=55.44

回答2:

0.56×99
0.56x99+1-0.56
=0.56x100-0.56
=56-0.56
=55.44

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回答3:

简便计算过程如下
0.56×99
=0.56×(100-1)
=0.56×100-0.56×1
=56-0.56
=55.44
望采纳

回答4:

用乘法分配律简算
原式=0.56×(100-1)
=0.56×100-0.56×1
=56-0.56
=55.44