推 Jerryerica:fruit 2個: 有15種C6取4 fruit 1個:有12種2x6 12+15=27 04/20 17:18
推 pinball: C6取2吧 XD 答案是一樣的就是了 04/21 06:41
A certain restaurant offers 6 kinds of cheese and 2 kinds of fruit for its
dessert platter. If each dessert platter contains an equal number of kinds
of cheese and kinds of fruit, how many different dessert platters could
the restaurant offer?
答案E. 27
請問一下有人會解這題嗎?
謝謝:)
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