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5
圖形的周界
Anthony OR 柯志明
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14
五上_面積（二）
GeoGebra Institute of Hong Kong
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已知長方形周界和長求闊
Anthony Or 柯志明
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8
巧算周界
Anthony OR 柯志明
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JCDS 小學數學科 GeoGebra 資源 (2019-2021)
Anthony Or 柯志明
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分物活動 2
Anthony Or 柯志明
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分物活動 1
Anthony Or 柯志明
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P3 3N3 兩位數除以一位數
Kong Chan
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題6
李寶玲
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固定周界的長方形的面積變化（周界是200厘米）
李寶玲
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7
四年級除法
Cychoy
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兩位數除兩位數(例子一)
Cychoy
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Equivalent Ratios
Duane Habecker
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Convex quadrilaterals
Paulo Correia
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Gauss-Jordan 2x2 Elimination
Auston B Cron
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Angle Estimation Warmup
Andrew Knauft
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Number Pyramids
Jennifer Silverman
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Graph the Line
Steve Phelps
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Flip Flop
John Golden
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Guess My Rule (2013)
John Golden
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5-Piece Puzzle
Duane Habecker
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GeoGebra Pentominoes
Duane Habecker
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right triangle paradox
sonom
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Least Squares
timteachesmath
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AQR Section 17: Mean but Sensitive
Steve Phelps
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AQR Section 17: Where's the Mean?
Steve Phelps
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Exponential or Logistic Function that…
talljerome
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Growth of Facebook.com
Roy Wright
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Lower and Upper Sum of a Function
GeoGebra Materials Team
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One-Son Policy Simulation
Steve Phelps
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Analog Clock
Duane Habecker
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Pendulum Wave Machine (Simulation)
Michael Borcherds
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Hilbert curve
Thijs
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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
Bill Lombard
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Inclined Plane with Two Masses and a …
Tom Walsh
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The Relationship Between Human Height…
Roy Wright
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Factorization - Visual illustration o…
Ethan Hall
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Kaleidoscope
Michael Borcherds
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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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