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三角形3,4,5
Author:
Ho-Kai Chen
設P是正角形ABC內一點, PC=3,P=4,PB=5, 試求此正三角形的邊長.
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New Resources
兩位數除以一位數（一）
第八周作业
錐體建築師
柱體建築師
兩位數加法
Discover Resources
三角形内角和演示
angle in semi-circle
农大
PROBLEM SOLVING(COLOUR)
和直线和圆同时相切的圆
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Curve Sketching
Scalene Triangles
Planes
Hypothesis Testing
Stochastic Process or Random Process