2*(3+(4/5))怎么翻译成四元式??/谁知道啊
(/, 4, 5, n1), 先将4 / 5的结果赋给n1; (+, 3, n1, n2),将3 + n1的结果赋给n2; (*, 2, n2, n3), 将2 * n2 的结果赋给n3;