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第1个回答 2020-04-05
简便计算
9.16x1.9-5x0.916
=9.16x1.9-0.5x9.16
=9.16x(1.9-0.5)
=9.16x1.4
=12.824
9.16x1.9-5x0.916
=9.16x1.9-0.5x9.16
=9.16x(1.9-0.5)
=9.16x1.4
=12.824
第2个回答 2020-04-05
9·16x1·9-5x0·916
=0·916x19-5x0·916
=0·916x(19-5)
=0·916x14
=12·824
=0·916x19-5x0·916
=0·916x(19-5)
=0·916x14
=12·824
第3个回答 2020-04-05
9.16×1.9-5×0.916=9.16×1.9-9.16×0.5=9.16×(1.9-0.5)=9.16×1.4=12.824
第4个回答 2020-04-05