【一元二次方程求根fortranprogrammainwrite(*,*)quot;a=quot;read(*,*)awrite(*,*)quot;b=quot;read(*,*)bwrite(*,*)quot;c=quot;read(*,*)creal::d,e,x1,x2d=b*b-4*a*ce=sqrt(d)x1=(-b+e)/2.0/ax2=(-b-e)/2.0/awrite(*,*)x1 |
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