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Aliturtle
This book is indeed “the most ELEGANT equation” and the it is the most amazing and inspiring book of mathematics i ve Eever encountered. The theories and the formulas are amazing and especially the infinity theories.
皮皮的英法之旅
30331022万
简介：Rocky 是个爱阅读的二年级小豆包。喜欢英文读物，也开始了法语启蒙之旅。多语启蒙交流，加皮皮妈微信：jiapipi1717共同分享，共同进步。
Aliturtle
This book is indeed “the most ELEGANT equation” and the it is the most amazing and inspiring book of mathematics i ve Eever encountered. The theories and the formulas are amazing and especially the infinity theories.