I have a problem on "Violympic Toan Tieng Anh" round 3. I want everybody help me. This is the problem: Find the number aa, 0 is a unit digit and $68 < a Thanks for help !
I have a problem on "Violympic Toan Tieng Anh" round 3. I want everybody help me.
This is the problem: Find the number aa, 0 is a unit digit and $68 < a
Thanks for help !
