If a and b are integers and a - b=6, then a + b CANNOT be

admin2009-05-19  11

问题 If a and b are integers and a - b=6, then a + b CANNOT be

选项 A、0
B、less than 6
C、greater than 6
D、an even integer
E、an odd integer

答案E

解析 若a和b是整数,且a-b=6,那么a+b不能是:
解:本题的正确答案为(E)。由题可得:a=b+6 → a+b=2b+6;所以a+b必然是偶数。
转载请注明原文地址:https://kaotiyun.com/show/AJkO777K
本试题收录于: GRE QUANTITATIVE题库GRE分类
0

最新回复(0)