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发表于 2018-10-16 17:27:54
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显示全部楼层
#include<stdio.h>
#include<math.h>
#define pi 3.1415926
int main()
{
double x,y,a,b,c;
printf("请输入自变量x的值:");
scanf("%1f",&x);
a=pow(x,3);
b=pow((x-1)/(x+2),3);
c=pow(x+sin(3*x),1/2);
if(x<=pi/2)
printf("y=%f",2*a+3*cos(x)+5);
else if(x>=pi/2)
{
printf("y=%f",c);
}
else
{
printf("y=%f",b+(5*x));
}
system("pause");
return 0;
}
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