www.pudn.com > DesignII.rar > 04_01_1.CPP

#include "stdio.h" 
#include "math.h" 
float y,f,p1,p2,p3,x; 
void main(){ 
    printf ( "please input x: "); 
    scanf("%f",&x); 
    f=sin(x+x)/log(x*0.3); 
    p1=(f+sin(x))/exp(x); 
    f=sin((x+5)+x)/log((x+5)*0.3); 
    p2=(f+sin(x+5))/exp(x+5); 
    f=sin((x+2)+x)/log((x+2)*0.3); 
    p3=(f+sin(x+2))/exp(x+2); 
    y=(p1*p1+log(5))/(p2-abs(x))*p3; 
    printf ("y(x)=%f\n",y); 
}