1.NO.6 section2
24. appproximately what percent of the new domestic cars sold retail in the United States in 1983 were manufactured by company Q?
A 10% B 12% C 15% D 17% E 23%
2. 是不是条件中有at least 就选D呢?
NO.6 section2 15
3. 到底什么情况下图是可以用的,什么情况下不可以?! 不是没有drawn to scale 就不能用吗??
比如一个数轴,0<x<1,1<y<2, 比较2x+y 和 2y+x 的大小。。。
4. NO.5 第二套 P89
22. what fraction of the total number of votes cast did the winners receive?
怎么算的??