๋…ธ๋ง 18-5๋ž‘ ํ•˜๋“œ 17-3์€ ๋‘๋ฒˆ ์Œ”์„œ 3๋ณ„ ๋•ƒ๋Š”๋ฐ

ํ•˜๋“œ 18-3 ๋งŽ์ด์–ด๋ ค์›€?