If a and b are odd integers, which of the following is an even integer?A、a(b-4)

游客2024-01-12 70

问题 If a and b are odd integers, which of the following is an even integer?

选项 A、a(b-4)
B、ab+4
C、(a+2)(b-4)
D、3a+5b
E、a(a+6)

答案 D

解析 a为奇数，则3a亦为奇数，b为奇数，则5b也为奇数，奇数+奇数=偶数，所以选择D。

转载请注明原文地址:https://tihaiku.com/zcyy/3354802.html

相关试题推荐

随机试题

最新回复(0)

Allthefollowingcasesareon-the-jobsmokingexceptthat______.[br]Inthese