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Author:
junfeilx
GeoGebra
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異分母分數減法
【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
找出對稱軸
三位數除以一位數（一）
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二次函数的条件最值
How tall is that?
miao
旁心
变化的幂函数.许兴华数学
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Rhombus
Symmetry
Confidence Interval
Standard Deviation
Logarithm