我们有鸡,羊,牛,虾和咖喱。
我们有鸡片汤、香菇清汤等等。
We have sliced chicken soup, dried mushroom clear soup and so on.
我们有鸡片汤和香菇清汤等等。
We have sliced chicken soup, dried mushroom clear soup and so on.
System of linear equations. What are the equations here? Well, I could say, you know, the number of pigs plus the number of 20 chickens equals 20, right? Because we've got 20 heads. And then what else do I have?
如何解决这个问题呢?,用线性方程式的办法来解决,等式是什么呢?你应该知道,猪的数量加鸡的数量等于,对吧?因为我们有20个头?
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