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Lê Phương Anhasked a question
07/01/2018 at 23:12
I have a problem on "Violympic Toan Tieng Anh" round 3. I want everybody help me.

This is the problem: Find the number $a$ , 0 is a unit digit and $68 < a

Thanks for help !
Lê Phương Anhasked a question
05/01/2018 at 13:25
I have a problem on "Violympic Toan Tieng Anh" round 3. I want everybody help me.

This is the problem: Find the number \(a\), 0 is a unit digit and $68 < a

Thanks for help !

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