
2个回答
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4.65×17+46.5×7.3+0.465简算
解:采用分配律,
原式=4.65×17+46.5×7.3+0.465
=4.65×17+4.65×73+0.465
=4.65x(17+73)+0.465
=4.65x90+0.465
=418.5+0.465
=418.965
解:采用分配律,
原式=4.65×17+46.5×7.3+0.465
=4.65×17+4.65×73+0.465
=4.65x(17+73)+0.465
=4.65x90+0.465
=418.5+0.465
=418.965
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