下列式子中,正确的是( )。
A、R-S=R-(R∩S);
B、R=(R-S)∪(R∩S);
C、R∩S=S-(S-R);
D、R∩S=S-(R-S);
E、R-S=R∩(R∩S);
F、R-S=(R∩S)-R
发布时间:2025-07-02 04:39:02
A、R-S=R-(R∩S);
B、R=(R-S)∪(R∩S);
C、R∩S=S-(S-R);
D、R∩S=S-(R-S);
E、R-S=R∩(R∩S);
F、R-S=(R∩S)-R