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拼出三角形的副本
Author:
chy198
,
孟宝兴
拼出三角形
GeoGebra
GeoGebra学习交流群：217440999
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【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
異分母分數減法
算柱 (兩位數)
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會動的圖形
proof51 柯承志
GriffithsTheorem
工具：DimensionArrows
C60足球模型展开（双色版）
Discover Topics
Root
Subtraction
Fractions
Arithmetic Operations
Equations