I didn't expect it to do this. If you understand why it did what it did, you're half way there.
这样运行的啊,如果你能弄明白为什么,它这么运行,你已经完成了差不多一半了。
All right. I tried it on 2, I surely didn't expect a precise and exact answer to that but I got something, and if you square this, you'll find the answer kept pretty darn close to 2.
好,我试试求2的平方根,我当然不希望得到一个完全准确的答案了,但是我得到了一个近似值,试试将这个数平方一下,你会发现结果和2相当接近。
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