4.92 +3.27-4.92+3.73的简便计算?

问题描述:

4.92 +3.27-4.92+3.73的简便计算?

很简单啊 怎么了?

4.92-4.92+3.27+3.27
=6.54

=(4.92-4.92)+(3.27+3.73)=0+7=7

4.92 +3.27-4.92+3.73
=4.92 -4.92+3.73+3.27
=3.73+3.27
=7

=4.92-4.92+3.27+3.73
=0+3.27+3.73
=0+7
=7

7

晕,我来帮你解答吧,4.92 +3.27-4.92+3.73=(4.92 -4.92)+(3.27+3.73)=0+7=7