把m当成已知数,按方程组一般解法解出：x=（16-8m)/(8-m),y=12/(8-m)因为解为正整数,即x=（16-8m)/(8-m),y=12/(8-m)都为正整数,先由y=12/(8-m)为正整数,可得,m只能为7,6,5,4,2,-4把m等于7,6,5,4,2,-4分别代入x=（16-8...