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Author:
Hui Sir
GeoGebra
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第八周作业
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
四邊形的特性
三位數除以一位數（一）
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Trigonometric Ratios: Cosine & Tangent 三角比：餘弦和正切
Estimating Mean 猜猜平均數
DSE Circle-ACT03B Relationship Between Chords and Angles at Centre
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二面角
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Bar Chart or Bar Graph
Arithmetic Operations
Linear Equations
Fractions
Quadratic Functions