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Try to find out a multi-digit number that if multiplied by the number 9
or any of its multiplications products (18, 27, 36, 45,..) will result
in the multiplication factor repeated (n) number of times.
For Answer
First use your mind, then click to see the answer
Solution
The number is: 12345679
12345679 * 9 = 111111111
12345679 * 18 = 222222222
12345679 * 27 = 333333333
And so on...
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