?两道题不会作,大家教教我

dally

(a/b) / cfficeffice" />

7. In the expression above, a, b, and c are different numbers and each is one of the numbers 2, 3, or 5. What is the least possible value of the expression?

A. 1/30

B. 2/15

C. 1/6

D. 3/10

E. 5/6

答案给的是B,可是我觉得A和C都不可能啊??咋回事啊?

    

    

这一题也不知道咋算出来的,请大家教教我.答案给的是D.

13. A certain basketball team that has played    2/3    of its games has a record of 17 wins and 3 losses. What is the greatest number of the remaining games that the team can lose and still win at least    3/4    of all of its games?

(A) 7

(B) 6

(C) 5

(D) 4

(E) 3

[此贴子已经被作者于2004-3-5 2:47:06编辑过]

dally

啊,明白了.题目没读懂.多谢!!


那第二题呢?