手工计算,通分,然后令分子为零,得到一个一元方程,解之并取分离点就行,Matlab计算,>> %求分离点:1/d+1/d+1/(d+12)+1/(d+12)=1/(d+4)+1/(d+8)%先把上式移项,1/d+1/d+1/(d+12)+1/(d+12)-1/(d+4)-1/(d+8)=0%然后表示出其...