如题所述
35.7×9.9+3.57用简算怎么算
=35.7x9.9+35.7x0.1
=35.7x（9.9+0.1）
=35.7x10
=357
=35.7x9.9+35.7x0.1
=35.7x（9.9+0.1）
=35.7x10
=357
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第1个回答 2017-05-18
把35.7换成3.57×10就行追答
=3.57×10×99+3.57×1
=3.57×99+3.57×1
=3.57×（99+1）
=3.57×100
=357
第2个回答 2017-05-18
35.7×9.9+3.57
=35.7×9.9+35.7×0.1
=35.7×（9.9+0.1）
=35.7×10
=357追答
=35.7×9.9+35.7×0.1
=35.7×（9.9+0.1）
=35.7×10
=357追答
35.7×9.9+3.57用简算得357
本回答被网友采纳第3个回答 2017-05-18
35.7×9.9+3.57
=35.7x9.9+35.7x0.1
=35.7x（9.9+0.1）
=35.7x10
=357
=35.7x9.9+35.7x0.1
=35.7x（9.9+0.1）
=35.7x10
=357
