Видео ютуба по тегу Problem 9: First And Last Digit

9. How to multiply end digit sum 10 problems: VEDIC maths made EASY, FAST, FUN & AMAZING!
9. How to multiply end digit sum 10 problems: VEDIC maths made EASY, FAST, FUN & AMAZING!
Problem 9: First and Last Digit / FLOW004 | CodeChef Beginner C++
Problem 9: First and Last Digit / FLOW004 | CodeChef Beginner C++