题目内容
集合A={x∈N|x≤6},B={x∈N|x2-3x>0},则A∩B=( )
| A.{1,2} | B.{3,4,5} | C.{4,5,6} | D.{3,4,5,6} |
A={x∈N|x≤6}={0,1,2,3,4,5,6},
B={x∈N|x2-3x>0}={x|x>3,x∈N},
∴A∩B={4,5,6},
故选C.
B={x∈N|x2-3x>0}={x|x>3,x∈N},
∴A∩B={4,5,6},
故选C.
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