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Author:
夜雨嘀嗒
New Resources
Earth with coastline
長方體平面投影 (Codex版)
畫出對稱圖形
美國國旗 (Codex 版)
兩組對邊相等的四邊形
Discover Resources
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
橢圓2-四圓心近似法
资料共享每日一题
无理指数幂
分数减法 Fraction Subtraction
Discover Topics
Quadratic Equations
Angles
Triangles
Solids or 3D Shapes
Quadratic Functions