先放资料 - 悦笃整理版
迟些放狗
数学简单,JJ比较全 - 迟些补上来(有序号为JJ里的~)
10 DS:一个表,两列,第一列是有pet的数量,第二列是人数 pet数量是按照顺序排列的,问median? 条件1:a=3; 条件2:b=2 构筑答案:选B 14 DS:a和b都是positive,问能否确定a-2b-3 =? 条件1:a-3*b-2=36-1 条件2:a*b-1 = 6-1 构筑答案:选C PS:如图,小圆与大圆相切,直线AC与两个圆都相切,切点分别为B和C,小圆半径为1,大圆半径为r,AO=根号3,求r。 构筑答案:(根号3+1)/(根号3-1) 43 PS:m、n是整数,问 2m*3n 有多少个质子? 构筑答案:(m+1)(n+1) PS:Someone invests 25% of his money in stocks, and 40% of the remainder in bonds. What percent of his money is not invested either in stocks or bonds? 构筑答案:1-[25%+40%*(1-25%)]=45%
洛基也遇到不少,有些秒选
悦笃
Mutual fund
种植橡胶
碳元素测量年代
星际颗粒
|