奧數題2

in cn •  6 years ago 

這道題目看得我也很鬧心，但是仍然堅持把圖畫了出來，畫好也不會做。我們壹起看講解，原來是靠壹個和倍問題和壹個和差問題解決的。怪不得從前鄰居小朋友費勁和我講了，我也是聽不懂。實在是非常考驗表達能力。 ​​​

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cn math partiko
6 years ago by

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