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| # include <stdio.h>
int main ( )
{
double x,y;
printf("输入x的值:\n");
scanf("%lf",&x);
if (x<1)
{
printf("y=");
printf("%.1lf\n",x);
}
else if (x>=1 && x<10)
{
y = 2*x-11;
printf("y=");
printf("%.1lf\n",y);
}
else if (x>=10)
{
y = 3*x-11;
printf("y=");
printf("%.1lf\n",y);
}
return 0;
}
|
