C语言数列求和int main(){double x,sum,jd,xf=1,i=1,jc=-1,mscanf("%lf",&x)sum=0do{jc=-jc*ixf*=xm=xfjcjd=f2023-04-17Python180
C语言数列求和int main(){double x,sum,jd,xf=1,i=1,jc=-1,mscanf("%lf",&x)sum=0do{jc=-jc*ixf*=xm=xfjcjd=f2023-02-24Python170
