11.9๋งŒ์› vs 3.9+3.0=6.9
๋‹˜๋“ค ๊ฐ™์Œ ๋ญํ•จ?
mm711์€ ๋ธ”๋ฃจ ํ•œ์ •ํŒ? ๊ทธ๊ฑฐ ์‚ด์˜ˆ์ •์ž„ ๊ทธ๋ฆฝํ…Œ์ดํ”„๋„ ์‚ด๊ฑฐ๊ณ