Showing posts with label The Beauty of 1 in building a number pyramid. Show all posts
Showing posts with label The Beauty of 1 in building a number pyramid. Show all posts

Monday, 11 May 2020

The Beauty of 1 in building a number pyramid

The Beauty of 1 in building a number pyramid



1 x 1 = 1
11 x 11 = 121
111 x 111 = 12321
1111 x 1111 = 1234321
11111 x 11111 = 123454321
111111 x 111111 = 12345654321
1111111 x 1111111 = 1234567654321
11111111 x 11111111 = 123456787654321
111111111 x 111111111 = 12345678987654321