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116问答网 > 81X105一81X5，用简便脱式计算怎么写？

81X105一81X5，用简便脱式计算怎么写？

2025-04-06 00:09:45

推荐回答（3个）

回答1：

你好
简便计算过程如下
81×105-81×5
=81×（105-5）
=81×100
=8100
望采纳

回答2：

81X105-81X5
=81X(105-5)
=81X100
=8100

回答3：

原式＝81×（105-5）=81×100=8100

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