假设两根是x1和x2不妨设x1>x2x1-x2=1(x1-x2)²=1由韦达定理x1+x2=-(1-m)/2,x1x2=(1+m)/2(x1-x2)²=(x1+x2)²-4x1x2=1m²-10m-11=0(m-11)(m+1)=0m=11,m=-1有两个不同的根则判别式大于0所以(1-m)²...