恳求各位大佬看看这道题怎么做 第三十题。

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这个调用的子函数，n前面的byval不知道是什么意思呀，m=m/n，那m应该是2，接下来n=m+n，那n应该是10啊，所以说这里面肯定还有些语言是我没读懂的，你回来去查查这些语言都有什么特殊含义吧，程序倒是不复杂，就是调用一次子函数，也没有循环，语言明白了应该就没问题。