Sunday 23 June 2013

Descending Order



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
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