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首页/2025秋数学包（持续更新）/25年上册数学包（持续更新）/【001】备课资料包/【007】奥数合集/小学奥数类型一/奥数/新四年级奥数年卡（竞赛班）【张新刚】-49讲/第34讲等积变形（一）（春季课程）/
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(1)等积变形（上）知识点.mp419.83MB mp4
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(2)等积变形（上）例1.mp410.58MB mp4
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(3)等积变形（上）例2.mp423.76MB mp4
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(4)等积变形（上）例3.mp414.65MB mp4
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(5)等积变形（上）例4.mp415.08MB mp4
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(6)等积变形（上）例5.mp425.93MB mp4
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等积变形（上）.pdf344.21KB pdf
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