求救PREP 数学题

zhangxirui87

98. How many odd integers are greater than the integer x and less than the integer y?

(1) There are 12 even integers greater than x and less than y.

(2) There are 24 integers greater than x and less than y.

answer is B

xiaoxiaoqing

(1)由于不知道X和Y的奇偶性所以无法判断;

(2)给出了X和Y之间的整数个数,所以X和Y之间的奇数个数也就确定啦~