算术运算符：
下表是显示了C语言支持的所有算术运算符 。假设变量A的值是10，变量B的值是20 。
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创建源代码文件：marithmetic_operators.c，代码如下：
#include <stdio.h>
void main() {
int a = 21;
int b = 10;
int c ;
c = a + b;
printf("Line 1 - Value of c is %dn", c );
c = a - b;
printf("Line 2 - Value of c is %dn", c );
c = a * b;
printf("Line 3 - Value of c is %dn", c );
c = a / b;
printf("Line 4 - Value of c is %dn", c );
c = a % b;
printf("Line 5 - Value of c is %dn", c );
c = a++;
printf("Line 6 - Value of c is %dn", c );
c = a--;
printf("Line 7 - Value of c is %dn", c );
}
执行上面的代码，得到如下结果:
Line 1 - Value of c is 31
Line 2 - Value of c is 11
Line 3 - Value of c is 210
【C语言运算符之算术运算符】Line 4 - Value of c is 2
Line 5 - Value of c is 1
Line 6 - Value of c is 21
Line 7 - Value of c is 22
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