请教一道Kaplan数学题

anniebag · 发表于 2010-2-24 00:37:13

In a certain game, each player scores either 2 points or 5 points. If N players score 2 points and M players score 5 oints, and the total number of points scored is 50, what is the least possible positive difference between N and M?

a, 1
b, 3
c, 5
d, 7
e, 9

kingapple25 · 发表于 2010-2-24 00:44:43

anniebag · 发表于 2010-2-24 09:20:57

对不起，忘了写正确答案。是B。
我把“least possible”的意思理解错了，我以为"the least possible"是“最不可能的”,所以选了A. 其实人家问”最小“的。
多谢解答！

kingapple25 · 发表于 2010-2-24 10:22:44

请教一道Kaplan数学题

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