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https://blog.naver.com/ria96854/220895263799 Ždz ٶ 泻 åϰ ִ./մ 18 ü ٰ ĺ ,
http://www.everyonecapital.co.kr ߽ ϱ 10~20 ſ Ŭ δ.û 18 ػ ϴ
http://www.internetcom.krٰ ڸ 鼭 ü ٰ Ŀ ڴٰ 17 ߴ.ħ (-2~5) , ְ
http://kidsstory.co.kr(10~14) ̴
https://blog.naver.com/emmy13854/220884046920߽ ſ ũڴٰ û ߴ. ʿ ٰ а ĺ
http://neu-chem.co.krʹ ̴. ħ 1, õ -1, -1, õ -3, 5, û
http://www.roiworld.kr1, -2, 0, -1, 뱸 2, λ 2, 6 ̴.
https://blog.naver.com/nila95071/221016776698 ְ 16, õ 13, 14, õ
https://blog.naver.com/janet67195/22085718249815, 19, û 15,
http://www.wdcastle.co.kr16, 16, 15, 뱸 16, λ 16, 16 ̴.̼ κ
https://blog.naver.com/suji46327/220817883010