35.4乘44.2减35.3乘44.3简算方法

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35.4乘44.2减35.3乘44.3简算方法35.4乘44.2减35.3乘44.3简算方法35.4乘44.2减35.3乘44.3简算方法35.4x44.2-35.3x44.3=(35.3+0.1)x

35.4乘44.2减35.3乘44.3简算方法
35.4乘44.2减35.3乘44.3简算方法

35.4乘44.2减35.3乘44.3简算方法
35.4x44.2-35.3x44.3
=(35.3+0.1)x(44.3-0.1)-35.3x44.3
=35.3x44.3+0.1x(44.3-35.3)-0.01-35.3x44.3
=0.1x9-0.01
=0.9-0.01
=0.89