void main() { float x,y; printf(“\nPlease input the x:”); scanf(“%f”,&x); if(x<-1) y=pow(x,3)-1; else if(x<=1) y=-x*x+1; else if(x<=10) y=3*x+5; else y=5*x+3*log(2*x*x-1)-13; printf(“\ny=%f”,y); }反馈...