4.92 +3.27-4.92+3.73的简便计算?

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4.92 +3.27-4.92+3.73的简便计算?

4.92 +3.27-4.92+3.73的简便计算?
4.92 +3.27-4.92+3.73的简便计算?

4.92 +3.27-4.92+3.73的简便计算?
=4.92-4.92+3.27+3.73
=0+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

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

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

4.92-4.92+3.27+3.27
=6.54

很简单啊 怎么了?