用C语言编译计算长方形面积答:void main(){ float a,b;printf("输入长方形的边长a,b,\n");scanf("%f%f",&a,&b);printf("%f\n",a*b);} include<stdio.h> float main(){ float a,b;printf("输入长方形的边长a,b,\n");scanf("%f%f",&a,&b);Printf("%f\n",2a+2b);} 还可以计算矩形的面积:include<...
编写程序,输入矩形的两个边长,求周长和面积答:C语言的 include<stdio.h> void main(){ float a,b,sum,s;printf("please input a,b");scanf("%f,%f",&a,&b);sum=2*(a+b);s=a*b;printf("%.2f",sum);printf("%.2f",s);} 完成,给个奖吧,呵呵
C语言,求助大神:写一个函数float area(float a,float,b)功能是计算以...答:include<stdio.h>float area(float,float);int main(){ float a,b; printf("请输入矩形长和宽"); scanf("%f%f",&a,&b); printf("面积为:%.2f",area(a,b));}float area(float a,float b){ return a*b;}