미지수를X라하면X=3k+2,X=4n+3,X=5m+4가성립(k,n,m은정수)/각식의양변에1을더해주면X+1=3(k+1)=4(n+1)=5(m+1)이므로X+1은3,4,5의최소공배수인60의배수/답은59
[무물보AI] 답변 로딩중...