C语言 计算并输出表达式 的值。其中a和b的值从键盘输入保留2位小数？

Question

如题所述

Answer 1

#include "stdio.h"
#include "math.h"
void main(){
float a,b;
scanf("%f %f", &a, &b);
float c = (b + sqrt(b*b + 2*a)) / (a - b);

printf("%.2f", c);

}本回答被提问者采纳

Answer 2

float a,b;
scanf("%f %f", &a, &b);
float c = (b + sqrt(b*b + 2*a)) / (a - b);
printf("%.2f", c);