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- UID
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- 主题
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- 注册时间
- 2011-7-11
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- 2014-8-7
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nycag04 Wrote:
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> Thanks for the reply. What I'm not understanding
> is why you divide only the NUMERATOR (D)of the
> right side of the equation by E. Why doesn't the
> entire right side get divided by E?
If you divide the numerator and denominator by the same amount, you are doing nothing as it cancels out. So dividing by something means always dividing the numerator by it. |
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发表于 2011-7-11 19:48
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