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拼砌四邊形
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
算柱 (兩位數)
四邊形的特性
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認識函數
判斷線型函數y=f(x)=ax+b的b值
簡易統計
優良作品1(孟倫)
角平分線-1
金惠吉:光的反射与折射
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Tree Diagrams
Straight Lines
Terms
Fractions
Intersection