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異分母分數減法
三位數除以一位數(一)
第八周作业
找出對稱軸
【案例】2018年全国1卷理科12题
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幾何原理
Ex.1
奠基測試
Copy of Quiz on Solving Quadratic Inequalities 解二次不等式:測驗
探索三角形外角定理
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Set Theory
Right Triangles
Rectangle
Arithmetic
Equations