我家小學5，6年級時我讓他們暑假上可汗學過，6，7年級時我跟娃一起學aops第一本，娃爸指不上

來源: 2娃懶媽於 2025-01-16 16:06:33 [舊帖] [給我悄悄話] 本文已被閱讀：次

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