∫(x,o)中,x是下限,0是上限吗?如果是的话,答案为:f(x)=e^x+ ∫(x,o) (t-x)f(t)dt=e^x+ x∫(0,x)f(t)dt-∫(0,x)t*f(t)dt,.1)两边求导,得:f'(x)=e^x+x*f(x)+∫(0,x)f(t)dt-x*f(x)=e^x+∫(0,x)f(t)dt,.2)两边求导,...