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Maths Olympiad – 五大模型

Posted on: July 5, 2016

One of the must-learn topic: Geometry

Here is the summary of 5 theorem models: 等形变换模型、鸟头定理模型、蝴蝶定理模型、相似模型(金字塔、沙漏)、

dengxing

niaotou

hudiexiangsi

yanwei

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