2. objects experience set age remaining classify certain combines isolate must In the next stage of his development the child (1)–.. obje
2. objects experience set age remaining classify certain combines isolate must In the next stage of his development the child (1)………. objects into sets according to patterns from his practical (2)………. For example, the combination of(3)……… on the basis of their common functional operation: knife, fork and spoon, or a (4)………of clothes. Only at the … Đọc tiếp