乘法和加法是混合性运算。
多项式乘法由子多项式的乘法和加法实现。
The polynomial multiplication is performed by sub-polynomial multiplications and additions.
我只能用乘法和加法,以及一些小测试来解决这个问题?
And I'm going to do it only using multiplication and addition and some simple tests. All right?
Things like addition and multiplication, which we saw not only apply to numbers, but we can use them on things like strings and we're going to come back to them again.
就像加法和乘法,我们已经学习过,它们不仅仅可以应用于数字,还可以用到字符串上,我们今天还会再讲讲。
And I'm going to do it only using multiplication and addition and some simple tests. All right?
我只能用乘法和加法,以及一些小测试来解决这个问题?
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