2022-04-23 13:26:53 +01:00
|
|
|
---
|
2022-09-06 13:26:44 +01:00
|
|
|
categories:
|
2022-04-23 13:26:53 +01:00
|
|
|
- Mathematics
|
2022-09-06 13:26:44 +01:00
|
|
|
tags:
|
|
|
|
|
- prealgebra
|
2022-04-23 13:26:53 +01:00
|
|
|
---
|
|
|
|
|
|
|
|
|
|
1. Evaluate expressions in **parentheses**
|
2022-09-06 13:26:44 +01:00
|
|
|
1. Evaluate **exponents**
|
2022-04-23 13:26:53 +01:00
|
|
|
1. Evaluate **multiplications and divisions** from left to right in the order that they appear
|
|
|
|
|
1. Evaluate **additions and subtractions** from left to right in the order that they appear.
|
|
|
|
|
|
|
|
|
|
In the absence of grouping symbols, addition holds no precedence over subtraction and vice versa.
|
|
|
|
|
|
2022-09-06 13:26:44 +01:00
|
|
|
```
|
2022-04-23 13:26:53 +01:00
|
|
|
15 - 8 + 4 = 7 + 4
|
|
|
|
|
= 11
|
2022-09-06 13:26:44 +01:00
|
|
|
```
|
2022-04-23 13:26:53 +01:00
|
|
|
|
2022-09-06 13:26:44 +01:00
|
|
|
```
|
|
|
|
|
15 - 8 + 4 = 15 - 12
|
2022-04-23 13:26:53 +01:00
|
|
|
= 3
|
2022-09-06 13:26:44 +01:00
|
|
|
```
|
