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file:4413插空法.mp4
file:4411数阵图,重数分析法.mp4
file:4410三角形面积反求.mp4
file:6201抽屉原理5.mp4
file:6119等高三角形比列关系.mp4
file:6118浓度十字交叉法.mp4
file:5411空中加油问题.mp4
file:5409直线分图面2.mp4
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file:2408立体图形的特性.mp4
file:3406阵列应用.mp4
file:复习.pdf
file:(5)复习例14-例15.mp4
file:测试题.docx
file:有趣的观察法.pdf
file:(7)有趣的观察法例6.mp4
file:(4)间隔问题例3.mp4
file:(1)认识时间例知识点.mp4
file:(2)数字迷游戏例1-例2.mp4
file:期末复习.pdf
file:(9)期末复习例10.mp4
file:神奇的等式加减法.pdf
file:测试.docx
file:(9)神奇的等式加减法知识点2.mp4
file:(7)数阵图之谜例6.mp4
file:还原问题之倒推法.pdf
file:(1)猜猜他几岁知识点.mp4
file:点线排布.pdf
file:测试.docx
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file:(3)基本应用题例2-例3.mp4
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file:平行四边形和梯形.pdf
file:(3)平行四边形和梯形例4-例5.mp4
file:盈亏问题(二).pdf