A B C A + B + C A × B × C (A + B) × C2 3 4 9 24 205 2 6 13 60 42...

Câu 2.a b c a + b + c a × b × c (a + b) × c2 3 4 9 24 205 2 6 13 60 426 4 3 13 72 3010 5 2 17 100 3016 4 0 20 0 0