负一加正四等于多少

在数学中，我们经常需要执行各种算术运算，例如加法。当我们遇到关键词“负一加正四等于多少”时，我们需要解决这个问题并找到答案。

首先，让我们回顾一下数字的符号表示法。正数用于表示大于零的数字，负数则表示小于零的数字。负数通常在前面添加一个“-”符号，以示与正数的区别。

在问题“负一加正四等于多少”中，我们有一个负数（负一）和一个正数（正四）。现在，让我们将它们相加以求得答案。

-1 + 4 = 3

因此，根据计算结果，负一加正四等于3。

英文翻译对照：

Negative one plus positive four equals how much

In mathematics, we often need to perform various arithmetic operations, such as addition. When we encounter the phrase "negative one plus positive four equals how much," we need to solve this problem and find the answer.

Firstly, let's review the notation for numbers. Positive numbers are used to represent numbers greater than zero, while negative numbers represent numbers less than zero. Negative numbers are typically prefixed with a "-" sign to distinguish them from positive numbers.

In the problem "negative one plus positive four equals how much," we have one negative number (negative one) and one positive number (positive four). Now, let's add them together to find the answer.

-1 + 4 = 3

Therefore, according to the calculation result, negative one plus positive four equals 3.