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英文翻译一道题谢谢大家
请问大家下面的这道英文数学题怎么翻译理解,谢谢大家了。Theharmonicmeanofasetofnon-zeronumbersisthereciprocalofthe...
请问大家下面的这道英文数学题怎么翻译理解,谢谢大家了。
The harmonic mean of a set of non-zero numbers is the reciprocal of the average of the reciprocals of the numbers. What is the harmonic mean of 1, 2, and 4? 展开
The harmonic mean of a set of non-zero numbers is the reciprocal of the average of the reciprocals of the numbers. What is the harmonic mean of 1, 2, and 4? 展开
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一系列数字的调和平均数是这些数的倒数的平均数。1,2和4的调和平均数是什么?
解:[1+(1/2)+(1/4)]/3=(7/4)/3=7/12
解:[1+(1/2)+(1/4)]/3=(7/4)/3=7/12
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非常感谢
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You are welcome.
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