已知列表x=[1,2,3],那么执行语句x=3之后,变量x的地址不变。
已知一列数:5,4,7,1,2,5,4,3,7,1,2,5,4,3,7,1,2..[61%]
已知一列数:5,4,7,1,2,5,4,3,7,1,2,5,4,3,7,1,2,5,4,3,…,由此可推出第2008个数是______.
已知向量组1=(1,2,3,4),2=(2,3,4,5),3=(3,4,5,6),4=(4,5,6,[61%]
已知向量组1=(1,2,3,4),2=(2,3,4,5),3=(3,4,5,6),4=(4,5,6,7),,则该向量组的秩为
已知列表x=[1,2,3],那么执行语句x=3之后,变量x的地址不变。()[61%]
已知列表x=[1,2,3],那么执行语句x=3之后,变量x的地址不变。()A.正确B.错误
已知集合U={1,2,3,4,5,6},A={2,4,5},B={1,3,4,5},则..[60%]
已知集合U={1,2,3,4,5,6},A={2,4,5},B={1,3,4,5},则(∁UA)∪(∁UB)等于( )A.{1,2,3,6}B.{4,5}C.{1,2,3,4,5,6}D.{1,6}
已知全集∪={1,2,3,4,5,6,7,8},A={1,2,4},B={2,4,5}..[60%]
已知全集∪={1,2,3,4,5,6,7,8},A={1,2,4},B={2,4,5},P={4,7,8},求:(1)(B)∪A;(2)(A∩B)∩(P)。
已知全集U={1,2,3,4,5,6},A={1,2,4},B={2,3,5},则(∁..[60%]
已知全集U={1,2,3,4,5,6},A={1,2,4},B={2,3,5},则(∁UA)∩B是A.{2,3} B.{3,5} C.{1,2,3,4} D.{2,3,5}
已知集合U={1,2,3,4,5,6},A={1,,4,5},B={2,3,4},则..[60%]
已知集合U={1,2,3,4,5,6},A={1,,4,5},B={2,3,4},则=A.{4},B.U={1,5},C.U={1,5,6},D.U={1,4,5,6}
已知A={1,2,4,6},B={3,4,5},U={1,2,3,4,5,6},求CuA..[60%]
已知A={1,2,4,6},B={3,4,5},U={1,2,3,4,5,6},求CuA∪B=( )A.{1,2,3,4,5,6}B.{1,2,4,6}C.{2,4,5}D.{3,4,5}
已知全集U={0,1,2,3,4,5,6},A={2,4,5},B={0,1,3,5}..[60%]
已知全集U={0,1,2,3,4,5,6},A={2,4,5},B={0,1,3,5},则A∪(∁UB)=( )A.{5}B.{2.4}C.{2,4,5,6}D.{0,1,2,3,4,5}