The sum of n numbers is greater than 48. If the average (arithmetic mean) of the

游客2025-02-23 51

问题 The sum of n numbers is greater than 48. If the average (arithmetic mean) of the n numbers is 1.2, what is the least possible value of n? ________.

选项

答案 41

解析根据题目，1.2n＞48→n＞40，n是正整数，n最小是41，故答案是41。

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The sum of n numbers is greater than 48. If the average (arithmetic mean) of the

Thesumofnnumbersisgreaterthan48.Iftheaverage(arithmeticmean)ofthe

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Thefunctionfhasthepropertythatf(x)=f(x+1)forallnumbersx.Iff(5)=

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Whichofthefollowingcannotbeexpressedasthesumoftwoprimenumbers?A、21

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