아이고 내 새끼 원의 넓이를 구하는 법을 배웠구나?
https://img.theqoo.net/epaVI
https://img.theqoo.net/uALJF
https://img.theqoo.net/sBEPy
https://img.theqoo.net/NOAIU
https://gfycat.com/PertinentCompetentGerenuk
엄마한테 물어보렴^^
https://img.theqoo.net/gtHrf
아빠한테 물어봐^^
https://img.theqoo.net/epaVI
https://img.theqoo.net/uALJF
https://img.theqoo.net/sBEPy
https://img.theqoo.net/NOAIU
https://gfycat.com/PertinentCompetentGerenuk
엄마한테 물어보렴^^
https://img.theqoo.net/gtHrf
아빠한테 물어봐^^