[질문] 디오판토스일생은 얼마인가요??

(1(1/6)x + (1/ 12)x +(1/7)x + 5+ (1/2) x + 4 = x 1/6 + 1/12 + 1/7 + 1/2)x + 9 = x (75/84) x + 9 = x (9/84)x = 9 x= 84