If a and b are integers and a-b=8, then(a+b) CANNOT beA、0B、less than 6C、greate

游客2024-01-12 36

问题 If a and b are integers and a-b=8, 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 a-b=8，a，b又都是整数，那么a，b必然都是奇数或者都是偶数，这样a+b就必然是偶数，所以选择E，(a+b)不可能为奇数。

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