With everything you've done so far, however, you still don't have quite enough information to calculate the results of the arithmetic operation represented by this parse tree.

即使到目前为止您已经执行了所有操作，但您仍然没有足够的信息来计算该解析树表示的算术运算的结果。

youdao

This formula syntax is a little tricky: inside the I calls, the arithmetic symbols have their usual meanings, so the first I , for example, means: 2 times PI times x, divided by 365.

这个公式语法有些复杂：在I调用内部，算术符号与它们通常的含义相同，所以，例如第一个I表示：2乘pi乘x，再除以365。

youdao

This article examined an applet that has the ability to evaluate arithmetic expressions step by step.

本文分析了一个applet，它能一步一步的对算术表达式求值。

youdao

In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean.

事实上，一些很老的书籍上,平均的定义就是算数意义的，总的来说被分为两种算数意义，但现代我们多用几何意义。

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This is simple reasoning confirmed by simple arithmetic.

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This assumption was proposed by Sharpe in his timeless 1991 article, The Arithmetic of Active Management.

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