Beauty of Maths

> Beauty of Maths! > > 1 x 8 + 1 = 9 > 12 x 8 + 2 = 98 > 123 x 8 + 3 = 987 > 1234 x 8 + 4 = 9876 > 12345 x 8 + 5 = 98765 > 123456 x 8 + 6 = 987654 > 1234567 x 8 + 7 = 9876543 > 12345678 x 8 + 8 = 98765432 > 123456789 x 8 + 9 = 987654321 > > 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 > > 9 x 9 + 7 = 88 > 98 x 9 + 6 = 888 > 987 x 9 + 5 = 8888 > 9876 x 9 + 4 = 88888 > 98765 x 9 + 3 = 888888 > 987654 x 9 + 2 = 8888888 > 9876543 x 9 + 1 = 88888888 > 98765432 x 9 + 0 = 888888888 > > Brilliant, isn't it? > > And finally, take a look at this symmetry: > > 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