1 x 8 + 1 = 9
12 x 8 + 2 = 98
� � y medium")1 x 8 + 1 = 9
12 x 8 + 2 = 98
X y � 123]x 8 + 3= 987 � � 1234 x 8 + 4 = 9876
12345 x68 + 5 =98765 �  � 12�456 x 8x+ 6 = 987654
1234567 x 8 + 7 = 9876543 / � � 12u45678 x�8 + 8 =Z9876543�
123456789 x 8 + 9 = 987654321 � � � � � � �  � 1 x�9 + 2 =c11
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
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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=123456789 87654321