0.25sol ๋งŒ ์žˆ์–ด๋„ ๋ฒ„ํŠผ ๋ช‡๋ฒˆ์œผ๋กœ ๋ฐˆ์ฝ” ์ƒ์„ฑ ๊ฐ€๋Šฅํ•˜๋‹ˆ๊นŒใ…‹ใ…‹