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3.2 赋值运算符

**作用：**用于将表达式的值赋给变量

示例：

#include
   
    using namespace std;int main() {
   	//赋值运算符	// =	int a = 10;	a = 100;	cout << "a = " << a << endl;	// +=	a = 10;	a += 2; // a = a + 2;	cout << "a = " << a << endl;	// -=	a = 10;	a -= 2; // a = a - 2	cout << "a = " << a << endl;	// *=	a = 10;	a *= 2; // a = a * 2	cout << "a = " << a << endl;	// /=	a = 10;	a /= 2;  // a = a / 2;	cout << "a = " << a << endl;	// %=	a = 10;	a %= 2;  // a = a % 2;	cout << "a = " << a << endl;	system("pause");	return 0;}/*a = 100a = 12a = 8a = 20a = 5a = 0请按任意键继续. . .*/
   

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