전체일의양을1로보시고콩쥐는5분의1팥쥐는8분의1로잡으시면됩니다5분의1+8분의1하시구그것을1에나누시구,그러면1나누기40분의13이고,답은3과13분의1이되겟네요^^
[무물보AI] 답변 로딩중...