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1·It doesn't help you find square roots.

它不会帮你算出平方根。

2·This tells you how to find square roots.

这个让你知道怎样寻找平方根。

3·It can also calculate percentages and square roots.

它也可以计算百分数和平方根。

4·Having found all square roots of an identity matrix.

找出了单位矩阵的所有平方根。

5·The construction of the square roots of all integers is simple.

所有整数的平方根的结构是简单的。

6·And what, too, to make of the square roots of negative Numbers?

如果说以上二者已经够糟糕了，那负数开平方又将何以自处？

7·Suppose I want to compute square roots a lot of places in a big chunk of code.

假设我想在一大段代码中，计算很多次平方根。

8·The ratio is about right, and we avoid having to calculate square roots and we avoid decimals.

比例大致是正确的，而我们却避免了方根和小数的计算。

9·It's the piece of code we wrote for computing square roots, square roots of actually perfect squares.

,这是我们写的计算平方根的代码，计算完全全平方根的。

10·The fact that the square roots of 2 and 3 are irrational means that they cannot be written as fractions.

实际上2、3的平方根是无理的，意味着不能用分数的形式书写。