xx10的知识精选

已知A={x|x+1>0},B={-2,-1,0,1},则(RA)∩B=              ( ...
问题详情:已知A={x|x+1>0},B={-2,-1,0,1},则(RA)∩B=              ( )      (A){-2,-1}                                                          ...
热门标签