1.73×1.3＋0.27×1.3-1.3用简便方法计算

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1.73×1.3＋0.27×1.3-1.3用简便方法计算1.73×1.3＋0.27×1.3-1.3用简便方法计算1.73×1.3＋0.27×1.3-1.3用简便方法计算1.73×1.3＋0.27×1.

1.73×1.3＋0.27×1.3-1.3用简便方法计算
1.73×1.3＋0.27×1.3-1.3用简便方法计算

1.73×1.3＋0.27×1.3-1.3用简便方法计算
1.73×1.3＋0.27×1.3-1.3
=(1.73+0.27-1)×1.3
=1×1.3
=1.3