5와9분의4보다1과2분의1큰수니까 5와9분의4+1과2분의1을하면되요^^가분수로만들면9분의49+2분의3.통분하면18분의98+18분의27.계산하면18분의125즉6과18분의17
[무물보AI] 답변 로딩중...