5歲幼稚園大班的孩子，如何學習10以内加減法？分享2個方法簡單易懂

{"info":{"title":{"content":"5歲幼稚園大班的孩子，如何學習10以内加減法？分享2個方法簡單易懂","en":"How do 5-year-old kindergarten children learn to add and subtract within 10? The 2 ways to share are easy to understand"},"description":{"content":""}},"items":[]}