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1250-(250 234)怎样用简便方法计算？

2025-04-07 07:44:10

推荐回答（4个）

回答1：

这道题 1250-(250- 234)可以根据去括号法则，去掉括号后再用加法运算律，能合使运算简便
1250-(250- 234)
=1250-250+234 （去括号）
=(1250-250)+234 （加法结合律）
=1000+234
=1234。

回答2：

简便计算过程方法如下
解:1250-(250+234)
=1250-250-234
=1000-234
=766

回答3：

1250-（250-234）
=1250-250+234
=1000+234
=1234

回答4：

1250-（250+234）
=1250-250-234
=1000-234
=766

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