tabiliţi valoarea de adevăr (A sau F) a propoziţiilor: a) 3 ∉ {0; 5; 2} ; b) {1; 6} ⊂ {1; 2; 4; 8} ; c) {4; 9; 7; 3} = {7; 3; 4; 9} ; d) card{2; 5; 4} = 4 ; e) 0 ∈ ∅ ; f) ∅ ⊂ {0} ; g) {5} ∈ {0; 5; 10; 15} ; h) ∅ ⊂ ℕ . Ddau corona va rog urgent
Show life that you have a thousand reasons to smile
© Copyright 2024 DOKU.TIPS - All rights reserved.