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 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 1111111111 x 1111111111 = 12345678987654321