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2014-10-19T16:01:34+03:00
A * b = 120
a + b = n9
120 = 2 * 2 * 2 * 3 * 5
120 : 5 = 24
a = 24 si b = 5
a * b = 24 * 5 = 120
a + b = 24 + 5 = 29