수익88~8911.0.212.3.6513.1과30분의2914.2.6515.왼쪽16.오른쪽17.풀이과정50-6분의25*30*5분의2=018.2와15분의219.2400*0.5=1200원20.20분의16=1.25
[무물보AI] 답변 로딩중...