| 单词 | Operator precedence |
| 释义 |
Operator precedence
原声例句
Mosh带你学编程 So this is all bout operator precedence, it's a very important topic and I see it quite often in Python tests. So if you're preparing for a Python test make sure to watch his tutorial one more time. 所以这都是关于运算符优先级的，这是一个非常重要的主题，我在 Python 测试中经常看到它。因此，如果您正在准备 Python 测试，请务必多看一遍他的教程。
中文百科
运算次序 Order of operations（重定向自Operator precedence）
在数学和计算机科学中，运算次序（也称为运算顺序、运算子优先级）是指决定在表达式中的哪一运算子首先被运行的规则。 比如，在四则运算中，一般有先乘除后加减的规定。就是说在2 + 3 × 4这样的式子中，按规定会先对3和4作乘法，得出12，然后再把2和12加起来，最后就得出14。
英语百科
Order of operations 运算次序（重定向自Operator precedence）
In mathematics and computer programming, the order of operations (or operator precedence) is a collection of rules that define which procedures to perform first in order to evaluate a given mathematical expression. For example, in mathematics and most computer languages, multiplication precedes addition. Thus, in the expression 2 + 3 × 4, the answer is 14 (not 20). Brackets, ( and ), { and }, or [ and ] — which have their own rules — can indicate an alternate order or reinforce the default order to avoid confusion, thus the preceding expression could be changed to (2 + 3) × 4 to produce 20, or 2 + (3 × 4) to produce 14 (the default if there are no brackets). |
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