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面積4
Author:
katetang511
GeoGebra
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【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
兩位數加法
画直线等分三角形的面积
第八周作业
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Angle Sum in a Triangle
眼睛的毛病(近視及遠視)
試算表應用
放大／縮小 Resize
翰林數學_2下_CH3-1_三角形的內角和
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Differential Equation
Polygons
Scatter Plot
Subtraction
Boxplot