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[Problem Solving]

试题详情

题目:

AB
In the correctly worked addition problem shown, where
the sum of the two-digit positive integers AB and BA is
the three-digit integer AAC, and A, B, and C are different digits, what is the units digit of the integer AAC?

选项:

A、9
B、6
C、3
D、2

答案:

E

提问:

提问小梅老师:这道题答案是不是c=0 A是1 B是9 只有这一种情况满足 答案错误?

解答:

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阅读86
解答: 徐小梅

提问:

提问小梅老师:这道题答案是不是c=0 A是1 B是9 只有这一种情况满足 答案错误?

解答:

点赞0
阅读87
解答: 徐小梅老师

提问:

只能算出B等于9,求不出A和C

解答:

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阅读707
解答: sysadmin老师

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