Jadoo aritmética de Zac Josevski

Absolutamente increíble ! Belleza de Matemáticas !!!!!!! 1 x 8 + 1 = 9 12 x 8 + 2 = 98 123 x 8 + 3 = 987 1234 x 8 + 4 = 9876 12.345 x 8 + 5 = 98765 123 456 x 8 + 6 = 987654 1.234.567 x 8 + 7 = 9876543 12.345.678 x 8 + 8 = 98765432 123456789 x 8 + 9 = 987.654.321 1 x 9 + 2 = 11 12 x 9 + 3 = 111 123 x 9 + 4 = 1111 1234 x 9 + 5 = 11111 12 345 x 9 + 6 = 111111 123 456 x 9 + 7 = 1111111 1.234.567 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 987 654 x 9 + 2 = 8888888 9.876.543 x 9 + 1 = 88888888 98.765.432 x 9 + 0 = 888888888 Brillante, no se   es; Y mira esta simetría: 1 x 1 = 1 11 x 11 = 121 111 x 111 = 12321 1111 x 1111 = 1234321 11.111 x 11.111 = 123454321 111111 x 111111 = 12345654321 1,111,111 x 1,111,111 = 1234567654321 11.111.111 x 11111111 = 123456787654321 111111111 x 111111111 = 12345678987654321