“567×123.123-123×567.567”这道题要怎样简便?
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发布时间:2022-05-26 17:36
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热心网友
时间:2023-10-13 10:22
567*123.123-123*567.567
=567*(123+0.123)-123*(567+0.567)
=567*123+567*0.123-123*567-123*0.567
=567*0.123-123*0.567
=0
热心网友
时间:2023-10-13 10:22
这道题要怎样简便
567×123.123-123×567.567
=567×123×1.001-123×567×1.001
=0
热心网友
时间:2023-10-13 10:23
=567X(123+0.123)-123X(567+0.567)
=567X123+567X0.123 -123X567 -123X0.567
=567X0.123-123X0.567
=0
热心网友
时间:2023-10-13 10:23
拿计算器算最简便