ํ€ตํ”Œํ•˜๋‚˜ ์‚ฌ๋ ค๊ณ  ํ–ˆ๋Š”๋ฐ ๊ฐ€๊ฒฉ์ด ์™œ ์ €๋ชจ์–‘์ž„

2.5 -2.9 ํ•˜๋˜๊ฒŒ
3.5๋ถ€ํ„ฐ ์‹œ์ž‘ํ•˜๋„ค

๊ฐ€๊ฒฉ ๋ฐ”๋€œ?