已知:集合A={x|3<x≤6),B={x|m≤x≤2m+l}
(1)若m=2,求A∩B,A∪B;
(2)若A⊆B,求实数m的取值范围;
(3)若A∩B=∅,求实数m的取值范围.
下图是周日在公园的活动。请按图示内容完成短文。
I'm Kate. It's Sunday today. I don't go to school. I go to the park with my parents. There are many people here. Look! ____ .____ .____ .____ .____ .We are very happy.