7.23X9.9-0.723要怎么筒算?
4个回答
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7.23x9.9-0.723
=7.23x9.9-7.23x0.1
=7.23x(9.9-0.1)
=7.23x9.8
=70.854
=7.23x9.9-7.23x0.1
=7.23x(9.9-0.1)
=7.23x9.8
=70.854
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7.23×9.9+0.723
=7.23×9.9+7.23×0.1
=7.23×(9.9+0.1)
=7.23×10
=72.3
望采纳,啾咪~
=7.23×9.9+7.23×0.1
=7.23×(9.9+0.1)
=7.23×10
=72.3
望采纳,啾咪~
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展开全部
7.23×9.9+0.723
=7.23×9.9+7.23×0.1
=7.23×(9.9+0.1)
=7.23×10
=72.3
=7.23×9.9+7.23×0.1
=7.23×(9.9+0.1)
=7.23×10
=72.3
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