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若命题p:x∈A∪B则p是 ( )
A.x A且x B B.x A或x B
C. D.
若命题p:x∈A∪B则p是
xA且xB
xA或xB
C.xA∩B
D.x∈A∩B
若命题p:x∈A∪B,则非p是
[ ]
A.xA∩B
B.xA或xB
C.xA且xB