“Local clothing stores reported that their profits decreased, on average, for the three-month period between August 1 and October 31. Stores that sell products for the home reported that, on average, their profits increased during this same period. Clearly, consumers are choosing to buy products for their homes instead of clothing. To take advantage of this trend, we should reduce the size of our clothing departments and enlarge our home furnishings and household products departments.”
数学 8.19
1. 一个数x除以5余3,除以7余4,数y除以5余3,除以7余4,
问x ,y之差一定能被多少整除。
思路:x,y的通式都一样,为
2. 数轴上从左到右依次有点A,B,C,D, E,F,G 七个点(有图示), 点的间距都相等,已知G点坐标是312, F点坐标是311, 问以下哪个点的坐标是 —(312).D点坐标满足,选D。
3. 已知a-b, a/b 都是偶数,a,b 都是整数。问下面哪一个一定是奇数。
A. a/2, B. b/2, C. (a+b)/2, D. (a+2)/2, E. (b+2)/2
这题选D。
代入数字法:(1)a=12,b=2 , 排除A和E
(2) a=8, b=4, 排除B,C
此外,还有一些JJ上的题,例如货物价值〉499那题,golf抛物线那题,P^xy, JJ 上的答案几乎都是正确的,前人的劳动就是值得尊重啊。
VERBAL考得太差,不得不准备2战。阅读有:CEO, 皮肤呼吸。
祝大家好运了。
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