27.16-8.22+(72.48-21.78)=多少?简算,脱式计算

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27.16-8.22+(72.48-21.78)=多少?简算,脱式计算

27.16-8.22+(72.48-21.78)=多少?简算,脱式计算
27.16-8.22+(72.48-21.78)=多少?简算,脱式计算

27.16-8.22+(72.48-21.78)=多少?简算,脱式计算
27.16-8.22+(72.48-21.78)
=27.16+72.48-(8.22+21.78)
=69.64

69.54

27-(8.22+21.78)=-3,-3+72.48=69.48,69.48+0.16=69.64

简算:27.16-8.22+(72.48-21.78)=27.16+72.48-(8.22+21.78)=99.64-30=69.64
脱式计算:27.16-8.22+(72.48-21.78)
=27.16-8.22+50.7
=18.94+50.7
=69.64
仅供参考哦!