已知等式化为 29(x+y+z) + y + 2z = 366,因此 x+y+z < 366/29 ≤ 12 ,若 x+y+z ≤ 11,则 y+2z ≥ 366-29*11 = 47,因此 z-x = (y+2z)-(x+y+z)≥ 47-11=36,则 z > 36,这与 x、y、z 是正整数且 x+y+z ≤ 11 矛盾,因此只有 x+y+z = 12 。(易知此时 x = 1 ,y = 4,z = 7 或 x = 2,y = 2,z = 8)