Mathematics fun

Mathematics is fun

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


Mathematics is fun



1 X 9 + 2 = 11

12 X 9 + 3 = 111

123 X 9 + 4 = 1111

1234 X 9 + 5 = 11111

12345 X 9 + 6 = 111111

123456 X 9 + 7 = 1111111

1234567 X 9 + 8 = 11111111

12345678 X 9 + 9 = 111111111

123456789 X 9 +10 = 1111111111