1/5 + 1/10 = 3/10 2/3 + 1/9 = 7/9 1/3 + 3/5 = 14/15 4/7 + 3/14 = 11/14 1/2 + 1/4 = 3/4 3/4 - 1/8 = 5/8
[무물보AI] 답변 로딩중...