a and b are positive, a is even and b is odd. Which of the f

2023年9月30日12:24:25 发表评论 0 views

a and b are positive, a is even and b is odd. Which of the following must also be odd?

A

ab

B

a

/

b

C

a

+ 2

b

D

b

a

E

(

ab

)

a

参考答案：

D

发表留言

:?: :razz: :sad: :evil: :!: :smile: :oops: :grin: :eek: :shock: :???: :cool: :lol: :mad: :twisted: :roll: :wink: :idea: :arrow: :neutral: :cry: :mrgreen: