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Parallelogram
Author:
Chu Siu Hin
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四邉形 (四年級) 教師版
Claude 解幾何題
兩組對邊相等和有直角的四邊形
第八周作业
算柱 (兩位數)
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perimeter
intersection: surface-surface, curve-curve
製作對稱圖形 LEVEL 1
拋物線4--平行四邊形法
求公切線段長
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Trigonometric Functions
Percentages
Surface
Fractal Geometry
Circle