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24一模24
Author:
袁正铎
24一模24
GeoGebra
New Resources
兩位數加法
兩位數除以一位數（二）
柱體建築師
球體建築師
兩組對邊相等的四邊形
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任務3
正三角形尺规作图
地球－分區著色
工具：PlaneArrows, PlaneText... (v.2)
仰角和俯角
Discover Topics
Definite Integral
Logarithmic Functions
Hypothesis Testing
Fractions
Subtraction