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为什么sum=sum+num能输出,但将sum=num+sum却输出不了?

为什么sum=sum+num能输出,但将sum=num+sum却输出不了?

C
qq_慕仰7164328 2019-11-05 11:38:20
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1 回答

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慕仙8527320

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反对 回复 2021-11-23
?
浪里小神龙

TA贡献16条经验 获得超0个赞

应该没什么区别只是在这里会有问题,但是也可以运行成功。这就和加法交换律一样

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反对 回复 2019-11-18
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