I'm trying to write these two unknowns in terms of these two knowns and you can solve for them.
我会试着将这两个未知量,用这两个已知量表示出来 这样你们就可以求了
But what I needed to do this problem was to find these two unknowns.
但我解决这道题需要找到这两个未知量
So I have three equations and three unknowns.
现在我有了三个方程式和三个未知量。
Do you realize that this is a pair of simultaneous equations in which you can solve for these two unknowns, if you like, in terms of these two knowns and these coefficients, which are like these numbers, 3, 2, 4, and 6?
你们是否发现这其实就是一个方程组,你可以用它来解出这两个未知量,你愿意的话,可以用这两个已知量,和这些系数,比如这些数字,3,2,4和6
If you do that, you will find there is one unknown, which is v0, and we can solve for v0.
这样就只剩下一个未知量了,也就是 v0,我们就能解出 v0
There's only one unknown a.
所以只有一个未知量,a
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