题目
题型:单选题难度:一般来源:不详
A.{0,1,2,3,4,5,6} | B.{1,2,3,4,5,6} |
C.{0,1,2,3,4,5} | D.{1,2,3,4,5} |
答案
故选A.
核心考点
试题【已知U=N,A={x|x2-x-30>0},则∁UA等于( )A.{0,1,2,3,4,5,6}B.{1,2,3,4,5,6}C.{0,1,2,3,4,5}D】;主要考察你对集合运算等知识点的理解。[详细]
举一反三
M∩N=______
M∪N=______
∁UM=______
∁UN=______
∁U(M∪N)=______.
y-2 |
x-1 |
A.{1,3} | B.{0,3} | C.{0,1} | D.{0,1,3} |
1 |
3 |
A.(
| B.(
| C.(
| D.∅ |