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Question
Each letter a, b, c here stands for a number.
aaa
× aaa
aaa
aaa0
+ aaa00
abcba
Take a = 1, then find what the numbers b and c will be.
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Solution
If a = 1, then we have
111
× 111
111
1110
+ 11100
12321
Hence, b = 2 and c = 3
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