Toán Lớp 10: cho A={1;2;3;4;5}, B={2;4;6}, E={1;2;3;4;5;6;7}. chọn khẳng định đúng:
A. $C_{E}$ (A\B)={2;4;6;7} B.$C_{E}$ (A\B)={1;2;3;4;5;7} C.$C_{E}$ (A\B)={1;3;5} D.$C_{E}$ (A\B)={2;4;7}
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Toán Lớp 10: cho A={1;2;3;4;5}, B={2;4;6}, E={1;2;3;4;5;6;7}. chọn khẳng định đúng:
A. $C_{E}$ (A\B)={2;4;6;7} B.$C_{E}$ (A\B)={1;2;3;4;5;7} C.$C_{E}$ (A\B)={1;3;5} D.$C_{E}$ (A\B)={2;4;7}
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