Question

plssssssssssssss
dau coroanaa​

Answer 1

Răspuns:

Explicație pas cu pas:

D₁₂ ∈ {1,2,3,4,6,12}

D₂₀ ∈ {1,2,4,5,10,20}

D₁₂∪D₂₀ ∈ {1,2,3,4,5,,610,12,29}

D₁₂∩D₂₀ ∈ {1,2,4}

D₁₂\D₂₀ ∈ {3,6,12}

D₂₀\ D₁₂∈ {5,10,20}

Sper ca te-am ajutat...

Answer 2

D12={1,2,3,4,6,12}
D20={1,2,4,5,10,20}
D12UD20={1,2,3,4,5,6,10,12,20}
D12 intersectat cu D20={1,2,4}
D12\D20={3,6,12}
D20\D12={5,10,20}