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Код: Выделить всё

#include   < iostream. h> 
#include   <math.h>

float    f (float   u,    float   t) ;

void   main   ()

{float   a[41={2.5,-0.5,-0.2,23.7}; 
 float   b[4]={-7.3,4.2,-0.4 2,41.2}; 
 float   z1, z2 , z3, z4 , z5, z; 
 for (int   i=0;i<4;i++)
       {cout<<"\na["«i«"]="«a[i]«"b [ "«i«"] ="«b [i]; 
         z1=f(a[i], b[i]); 
         z2=f(a[i]*a[il,  b[i]*b[i]); 
         z3=f(a[i]*a[i]-l,  b[i]); 
         z4 = f |a[i]-b[i], b[i] ); 
         z5 = f(a[i]*a[i]-b[i]*b[i], b [i]*b [i]-1};
         z=z1+z2+z3+z4+z5;
         cout<<"\nz="<<z<<endl<<endl; 
          } 
}
float    f (float    u,   float    t)
{if    (u>0&&t>0)      return    u*u+t*t;
 if    (u<=0&&t<=0)   return   u+f*t;
 i£    (u>0&&t<=0)    return    u-t;
 if    (u< = (J&&t>0)     return    u + t;
 }