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Author:
lizhi
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
畫出對稱圖形
兩位數加法
異分母分數減法
Discover Resources
等比數列等比數列
mathmathmath
階梯圖形(一)
q1: triangle with 3 equal part
Kopia soccer
Discover Topics
Limits
Natural Numbers
Inequalities
Algebra
Linear Programming or Linear Optimization