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圖B
Author:
whtong
GeoGebra
New Resources
兩位數加法
近似值：有效數字
sanjiaohanshu
小数 的副本
【案例】2018年全国1卷理科12题
Discover Resources
七巧板奔人3
座標軸工具
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
STEM 遇上 GeoGebra 研討會暨工作坊 (小學)
GGB9
Discover Topics
Angles
Upper and Lower Sum or Riemann Sum
Planes
Parabola
Conic Sections