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单词 rule of three
释义

WordReference Random House Unabridged Dictionary of American English © 2024
rule of three, [Math.]
  1. Mathematicsthe method of finding the fourth term in a proportion when three terms are given.
  • 1585–95

Collins Concise English Dictionary © HarperCollins Publishers::
rule of three n
  1. a mathematical rule asserting that the value of one unknown quantity in a proportion is found by multiplying the denominator of each ratio by the numerator of the other
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更新时间:2025/7/23 18:34:21