(1)无理数集合:{0.1010010001…,- π 3 …}(2)正数集合:{ |? 3 4 |, 22 7 ,0.1010010001…,+1.99,-(-6),…}(3)分数集合:{|? 3 4 |,-3.14, 22 7 ,+1.99,…}.故答案为::{0.1010010001…,- π 3 ;|? 3 4 |, 22 7 ,0.1010010001…,+1.99,-(-6);|? 3 4 |,-3.14, 22 7 ,+1.99.