编程显示a=3时a+=a-=a*a和a+=a-=a*=a的运算结果?

2025-02-23 12:35:32
推荐回答(1个)
回答1:

a = a -= a * a

首先计算 a * a = 3 * 3 = 9

然后 a -= 9,相当于 a = a - 9,即 a = 3 - 9 = -6

所以 a = -6

a = a -= a *= a

首先计算 a * a = 3 * 3 = 9

然后 a *= 9,相当于 a = a * 9,即 a = 3 * 9 = 27

最后 a -= 27,相当于 a = a - 27,即 a = 27 - 27 = 0

所以 a = 0