Question

加减乘除的c语言编程怎么写

Answer 1

c语言的加减乘除可以这样写，假设有int变量a,b，c

加法:c=a+b

减法：c=a-b

乘法：c=a*b

除法：c=a/b

Answer 2

#include<stdio.h>
int main()
{
float a, b;
char ch;
while (scanf("%f%c%f", &a, &ch, &b) != EOF)
{
switch (ch)
{
case '+':
printf("结果为%.2f\n",a + b);
break;
case '-':
printf("结果为%.2f\n", a - b);
break;
case '*':
printf("结果为%.2f\n", a * b);
break;
case '/':
printf("结果为%.2f\n", a / b);
break;
}
}
return 0;
}