Toán Lớp 10: Cho A = {-2;0;2;4}, B = {0;1;2;3;4} . Tìm A ∩ B , B\A
Cho A = (-∞;3], B = [0;+∞). Tìm A U B, A\B
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Toán Lớp 10: Cho A = {-2;0;2;4}, B = {0;1;2;3;4} . Tìm A ∩ B , B\A
Cho A = (-∞;3], B = [0;+∞). Tìm A U B, A\B
Comments ( 2 )
B = { 0 ; 1 ; 2 ; 3 ; 4 }
A nn B = { 0 ; 2 ; 4 }
A \ B = { -2 }
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A = ( -oo ; 3 ]
B = [ 0 ; +oo )
A uu B = ( -oo ; +oo )
A \ B = ( -oo ; 0 )