Mathematics, 22.11.2021 21:00, carls7853

A +b = 156, (a ,b ) = 13. The number of such pairs is (a) 2 (b) 5 (c) 4 (d) 3

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A +b = 156, (a ,b ) = 13. The number of such pairs is (a) 2 (b) 5 (c) 4 (d) 3...