| 单词 | rule of three |
| 释义 | rule of three in British Englishnoun 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 rule of three in American English Ancient Mathematics the method of finding the fourth term of a proportion when three terms are given: the product of the first and last terms is equal to the product of the second and third |
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