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标题: 又有2个问题 [打印本页]

作者: tbs    时间: 2002-12-14 16:33     标题: 又有2个问题

technicians equally receive defective products from a box containing 88 defective products, if the number of the rest of defective products in the box less 2 than the number of technicians, then the following cannot be the number of technicians?

5 12 16 9 18 My ans: 12
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[确认]12正确 就是除法的题。

给一表,a b两班 给出median score 和mean score
问a+b的median是否大于mean?
A) a+b=79
B) a=42 b=38

???谁帮我解释一下解法,非常谢谢
作者: 猫猫头    时间: 2002-12-14 17:41

是不是说剩下的比the number of technicians少2??
ab+a-2=88==>a(1+b)=90,可是我觉得16也不对呀???

第二题这样的题目出现过好多次了,每次都不一样,挺烦的,所以要视具体题目考虑




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