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英语翻译Threefairsix-sideddicearerolled.whatistheprobabilitythatthevaluesshownontwoofthedicesumtothevalu
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英语翻译
Three fair six-sided dice are rolled.what is the probability that the values shown on two of the dice sum to the value shown on the remaining die?优质解答
问：有三个相同的六面骰子.当其中两个骰子示数之和为另一个骰子示数时,求其概率.
列出可能情况：1,1,2 1,2,3 1,3,4 1,4,5 1,5,6
2,2,4 2,3,5 2,4,6 3,3,6
然后计算：(3*3+3*2*6)/(6*6*6)=5/24
(如有疏漏,欢迎指正)
Three fair six-sided dice are rolled.what is the probability that the values shown on two of the dice sum to the value shown on the remaining die?
优质解答
列出可能情况：1,1,2 1,2,3 1,3,4 1,4,5 1,5,6
2,2,4 2,3,5 2,4,6 3,3,6
然后计算：(3*3+3*2*6)/(6*6*6)=5/24
(如有疏漏,欢迎指正)
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