#include"stdio.h"#include"string.h"#include"conio.h"#include"windows.h"int main(){?double a,b,c;?double avg;//平均值?printf("請輸入三個雙精度數(shù)值:\n");scanf("%If %If %If",&a,&b,&c);?avg = (a+b+c)/3;?avg = (int)(avg*10+0.5);?avg /= 10;?printf("avg = %f \n",avg);?return 0;}為什么輸入之后計算不出來?怎么輸入三個雙精度數(shù)值的?求大神破解?
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