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首先，我们需要知道未知量是什么。
Well, we need, first, to know what the unknown will be.
youdao
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现在我有了三个方程序和三个未知量。
So I have three equations and three unknowns.
youdao
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如何使一个方法以未知量的值？
How to make a method taking unknown amount of values?
youdao
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如何使一个方法以未知量的值？
How to make a method taking unknown amount of values?
youdao