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function max(a,b)这里括号里的a，b不用先定义吗
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2016-12-17 14:16:21
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阿神
2016-12-17 14:17:02
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这里括号里的a,b只是形式参数，说明需要接收实参的个数，然后按顺序分别赋给这a,b，也包括定义a,b的功能，不需额外定义啦
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这里括号里的a,b只是形式参数，说明需要接收实参的个数，然后按顺序分别赋给这a,b，也包括定义a,b的功能，不需额外定义啦