视频选集 【1】Fun Numbers Chant _ 1~10 _ Preschool 【3】Fun Numbers Chant! _ 10~20 _ Counting 【2】Counting Chant _1-20 _ Numbers _ Preschool 【4】Counting by TENS _ Math _ 1st Grade _ 10 to 100 【5】Numbers Chant _ Kindergarten _ 13 30 【6】Big Numbers _ Addition _ Subtraction
