How to Do Proportions in Math - 搜索视频

How to Solve Proportions

How to Solve Proportions

You've already met fractions like \frac{1}{2}. A proportion is a pair of fractions that are equal to each other, like \frac{1}{2}=\frac{2}{4}. There are many different ways to solve proportion problems that ask you to find the missing...

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