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OpenStudy (anonymous):
It is a 4-digit odd number, all the digits are different, None of the digits are 0 or 9, The tens digit is twice the ones digit, and the hundreds digit is twice the tens digit, the thousand digit is one less than the hundreds digit, what's the mystery number?
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OpenStudy (anonymous):
1243?
ganeshie8 (ganeshie8):
3421
ganeshie8 (ganeshie8):
reverse of wat u had, cuz units, tens... start from right to left
OpenStudy (anonymous):
Crap, I was thinking of decimals haha
ganeshie8 (ganeshie8):
ha :)
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