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Addition and Subtraction of Directed Numbers
作者：
LSKC
主題：
加法
,
數
,
減法
GeoGebra
最新資源
Slope Between 2 Points (Phase 2)
Cartesian vs Polar
Hyperbolic Paraboloid
seo tool
Some random function
探索資源
Lizzy Nathan Alyssa Shapes
Quiz: Adding numbers -level-4
Area of rectangle quiz for primary children
triangles with bisectors
LR7-01-XT1 (Midpoint of a line segment)
探索主題
幾何變換
統計
對數函數
等式
黎曼和（Riemann Sum）