1.
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
2.
9 x 9 = 81
99 x 99 = 9801
999 x 999 =998001
9999 x 9999 = 99980001
99999 x 99999 = 9999800001
3.
9 x 0 + 8 = 8
9 x 9 + 7 = 88
9 x 98 + 6 = 888
9 x 987 + 5 = 8888
9 x 9876 + 4 = 88888
9 x 98765 + 3 = 888888
9 x 987654 + 2 = 8888888
9 x 9876543 + 1 = 88888888
9 x 98765432 + 0 = 888888888
4. आकड्यांची कवायत
999999 x 1 = 0999999
999999 x 2 = 1999998
999999 x 3 = 2999997
999999 x 4 = 3999996
999999 x 5 = 4999995
999999 x 6 = 5999994
999999 x 7 = 6999993
999999 x 8 = 7999992
999999 x 9 = 8999991
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