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8.3 探究与发现 分解三棱柱——三个三棱锥
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祖暅原理(卡瓦列里原理)与球的体积
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必修二P98棱柱,棱锥,棱台的结构特征
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圆柱圆锥圆台
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任意多边形中点迭代收缩成椭圆
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等分象限角
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棱锥、棱台、棱柱相互转化
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数轴表示集合的交集并集
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集合与命题中的参数范围问题
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充分条件与必要条件
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奇思妙想
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阿波罗尼斯圆
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Angle Estimation Warmup
Andrew Knauft
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Number Pyramids
Jennifer Silverman
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Graph the Line
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Guess My Rule (2013)
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right triangle paradox
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SSA triangle: The Ambiguous Case
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Least Squares
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AQR Section 17: Mean but Sensitive
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AQR Section 17: Where's the Mean?
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Exponential or Logistic Function that…
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Growth of Facebook.com
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Lower and Upper Sum of a Function
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Analog Clock
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Pendulum Wave Machine (Simulation)
Michael Borcherds
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05.1 Measures of Central Tendency
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Hilbert curve
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'Tangram' Puzzle 'Cat'
GeoGebra Translation Team German
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Moss Egg by Robert Dixon
Bill Lombard
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Spirograph-Epitrochoid Earth and Moon
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Inclined Plane with Two Masses and a …
Tom Walsh
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Factorization - Visual illustration o…
Ethan Hall
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Kaleidoscope
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Rotating a Triangle Around a Coordina…
Steve Phelps
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Area of a Circle - Wedge/Sector Demon…
Linda Fahlberg-Stojanovska
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Triangle Paradox (Missing square puzzle)
Michael Borcherds
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