if a=3 b=-4,what is the answer to the question a+2ab+1?选项A twenty-eighth Btwenty-eight Cthirteen D eighteen(请说明理由)

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ifa=3b=-4,whatistheanswertothequestiona+2ab+1?选项Atwenty-eighthBtwenty-eightCthirteenDeighteen(请说明理由)

if a=3 b=-4,what is the answer to the question a+2ab+1?选项A twenty-eighth Btwenty-eight Cthirteen D eighteen(请说明理由)
if a=3 b=-4,what is the answer to the question a+2ab+1?
选项A twenty-eighth Btwenty-eight Cthirteen D eighteen(请说明理由)

if a=3 b=-4,what is the answer to the question a+2ab+1?选项A twenty-eighth Btwenty-eight Cthirteen D eighteen(请说明理由)
题目意思是:如果A等于3,B等于4,A+2AB+1=几
选B,A是序数词,C,D不对

I've no idea..

A 和 B 是一样。你有没有写错?

A 和 B 是一样

看清点,A与B不一样呀

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