比较三个数的大小7的0.3次方.0.3的7次方.In0.3.

7的0.3次方 > 0.3的7次方 > In0.3.
试运行一下这段代码：
#include"stdio.h"
#include"stdlib.h"
#include "math.h"
int main()
{
double a,b;
a=7.0;
b=0.3;
double r1 = pow(a, b);
a=0.3;
b=7.0;
double r2 = pow(a, b);
double r3 = log(0.3);
printf("7的0.3次方:%lfn0.3的7次方:%lfnIn0.3:%lfn", r1, r2, r3);
system("pause");
}