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勾股定理：射影无字证明
Author:
math Ku
Topic:
Geometry
,
Pythagoras or Pythagorean Theorem
GeoGebra
New Resources
三位數除以一位數（一）
找出對稱軸
判斷球體
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
BEES定理2
好多好多正方形
分數加法
匀变速直线运动位移公式推导
橢圓3-平行四邊形法
Discover Topics
Terms
Quadratic Functions
Vectors
Line Segment
Inequalities