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SAT OG 数学p547 为什么我怎么数都是五种啊 = =
OG 数学p547 为什么我怎么数都是五种啊 = = In the certain game,each token has one of three possible values:1 point,5 point,or 10 point.How many different combinations these token values are worth a total of 17 points?
人气:132 ℃ 时间:2020-07-31 00:32:45
解答
是六种吗
1. 17个1point
2. 12个1point+1个5point
3.2个5point+7个1point
4. 3个5point+2个1point
5. 7个1point+1个10point
6. 2个1point+1个5point+1个10point
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