Little (2, 4) Jia Xiaoming (8, 6)
Xiaoling has to walk 300 meters south from home to school, and then walk 100 meters west.
(3) Xiaoming has to walk 200 meters south from home to the library, and then go east 100 meters.
(4) Xiaoming's activity route is (8,6) → (8,8 )→ (10,1) → (9,4) → (6,5), passing through shopping malls, hospitals, libraries and parks. Xiaoling's activity route is (2,4) → (.
So the answer is: 1,1; 3,7; 2,9; 6,5; 4,3; 9,4; 10, 1; 8,8; 2,4; 8,6; South, 300, west,100; South 200, west,
100; Shopping malls, hospitals, libraries and parks; Gymnasium, post office, children's palace, park