关于Axx9B的百科

• 设*A={x|x<9},B={-3,-2,-1,0,1,2},则A∩B=A.{0,1,2}      ...

• 问题详情：设*A={x|x<9},B={-3,-2,-1,0,1,2},则A∩B=A.{0,1,2}                        B.{-1,0,1,2}              C.{-2,-1,0,1,2}           D.{-2,–1,0}【回答】C知识点：*与函数的概念题型：选择题...
• 2019-05-034294