- 精华
- 2
- 积分
- 5097
- 经验
- 5097 点
- 威望
- 25 点
- 金钱
- 8633 ¥
- 魅力
- 4797
|
4-20 北美 结果反映真实水平
Yi dian ji jing( NORTH AMERICA):
1. (no.37)math, k=10^ n-38 k is integer, the result of adding all units of k is 350, n =?
n=40.
Idea: 10^n-38=99999...62 so, 9*X+8=350,X=38, so n=40
2....Juice, the first day add SAME AMOUNT WATER with the juice, the second day, add the twice water to juice than the first day. the revenus for two days are the same. On the first day, each cup of juice is $0.6/cup, how much one cup of juice on the second day?
I didn't find it is the same amount water mixed with the juice,so waste a lot of time on this problem.
READ THE TITLE CAREFULLY.
Verbal
1,logics, the ONE ,the lumb for the house problem...
In sum,
After a hard work during 28/03-19/04, i finished the work to transfer to accounting---i got a accepted score GMAT for my school. I did not do much for Gmat, no time( taking three graduate classes this semester) and no money.
Topway DO GIVE ME MUCH HELP,
THANK YOU VERY MUCH. |
|