magic piramide

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magic piramide

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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