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There have been 1 items by Whitehat2003 (Search limited from 12-05-2020)
Posted by Whitehat2003 on 26-11-2017 - 20:54 in Số học
Tìm các số nguyên dương a,b biết:
$a^{2}b + a + b$ chia hết cho $ab^{2} + b + 7$