设M={x│x>3},N={x│x<6},求M∪N_题库-百大学堂网校
题目:设M={x│x>3},N={x│x<6},求M∪N
2020-03-02
相关试题
已知集合A,B,求A∪B.
(1)A={-1,0,2},B={1,2,3};
(2)A={a},B={c,e,f};
(3)A={-11,3,6,15},B=Æ;
(4)A={-3,2,4},B={-3,1,2,3,4}设A={x︱x<2},A={x︱-6<x<5},求.设A={(x,y)︱x+y=2},B={(x,y)︱2x+3y=5},求.已知集合A,B,求A∩B.
(1)A={-3,2},B={0,2,3};
(2)A={a,b,c},B={a,c,d,e,f ,h};
(3)A={-1,32,0.5},B=Æ;
(4)A={0,1,2,4,6,9},B={1,3,4,6,8}.判断集合A={2,8 }与集合B={x︱x2-10x+16=0}的关系.判断集合A={x︱(x+3)(3x-15)=0}与集合B={x︱x=-3或x=5}的关系.用适当的符号填空:
⑴{1,2,7}{1,2,3,4,5,6,7,9};
⑵{x│x2=25}{5,-5};
⑶{-2}{x| |x|=2};⑷2Z;
⑸m{a,m};⑹{0}Æ;
⑺{-1,1}{x│x2-1=0}.设集合A={x︱x>-10},集合B={x︱-3<x<7},指出集合A与集合B之间的关系设集合A={m,n,p},试写出的所有子集,并指出其中的真子集.用符号“”、“”、“”或“”填空:
(1)3.14Q (2) 0Φ (3) {-2}{偶数}
(4){-1,0,1}{-1,1}(5)Φ{x︱x2=7,xR}