定义集合运算A*B={z|z=xy+x+y,x∈A,y∈B}.已知P=,Q={1,2},则P*Q=( )
A.{-1,1,2,3,5} | B.{-1,0,1,2} |
C.{-1,1,2} | D.{0,1,2,3} |
推荐试卷
定义集合运算A*B={z|z=xy+x+y,x∈A,y∈B}.已知P=,Q={1,2},则P*Q=( )
A.{-1,1,2,3,5} | B.{-1,0,1,2} |
C.{-1,1,2} | D.{0,1,2,3} |
试题篮
()