#include <stdio.h>
#include <stdlib.h>
#include <math.h>
float X1();
float X2();
int main()
{
float y;
y=X1()+6*X2();
return 0;
}
float X1()
{
float i,res,res1=1;
for(i=1;i<=5;i++)
{
res=2*i-1.5;
res1=res1*res;
}
return res1;
}
float X2()
{
float i,res,res1=1;
for(i=2;i<=4;i++)
{
res=2*i-1.5;
res1=res1*res;
}
return res1;
}
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