Amazing Tricks of Multiplication in Mathematics
Khadak Raj Adhikari
May 29, 2018
1. Finding the square of a number with the digit 5 at unit place. 45 2 = 2025 55 2 = 3025 First be clear that the last two digi...
Showing posts with label STUDENT'S FORUM. Show all posts
Showing posts with label STUDENT'S FORUM. Show all posts
