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scrieti toti divizorii nr : a)20 b)36 c)19 d) 1

Răspuns :

a) 20: 1, 2, 4, 5, 10, 20 b) 36: 1, 2, 3, 4, 6, 9, 12, 18, 36 c) 19: 1, 19 d) 1: 1
D₂₀ = {1; 2; 4; 5; 10; 20}
D₃₆ = {1; 2; 3; 4; 6; 9; 12; 18; 36}
D₁₉ = {1; 19}
D₁ = {1}

/robèrtinni