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单词 Rule of proportion
释义

Rule of proportion

英语百科

Cross-multiplication

(重定向自Rule of proportion)

In mathematics, specifically in elementary arithmetic and elementary algebra, given an equation between two fractions or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.

Given an equation like:

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更新时间:2025/6/17 18:33:31