Maths
Operations and Inverse Operations
| The
Four Basic Maths Operations |
Inverse
Operations |
| |
|
| Addition |
Addition
is commutative
the order does not matter
2 + 3 = 5 and 3 + 2 = 5 |
Result
= Sum |
Inverse
of + is - |
6
+ 4 = 10
10 - 4 = 6 |
| |
|
| Subtraction |
The
order does matter
5 - 3 = 2 but 3 - 5 = -2 |
Inverse
of - is + |
8
- 3 = 5
5 + 3 = 8 |
| |
|
| Multiplication |
Multiplication
is commutative
the order does not matter
4 x 5 = 20 and 5 x 4 = 20 |
Result
= Product |
Inverse
of x is / |
3
x 2 = 6
6 / 2 = 3 |
| |
|
| Division |
The
order does matter
10 / 2 = 5 but 2 / 10 = 1 / 5 |
Inverse
of / is x |
12
/ 4 = 3
3 x 4 = 12 |
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