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CONTENT:
- Addition, Subtraction, Multiplication and Division operations in module arithmetic
- Application to daily life
ADDITION AND SUBTRACTION:
In modular arithmetic, addition and subtraction are symbolized by ⊕ and ⊖ respectively. In the table we enter only the remainders when a pair of elements in the ⊕ on the set {0,1,2,3,4} modulo 5
| ⊕ | 0 | 1 | 2 | 3 | 4 |
|---|---|---|---|---|---|
| 0 | 0 | 1 | 2 | 3 | 4 |
| 1 | 1 | 2 | 3 | 4 | 0 |
| 2 | 2 | 3 | 4 | 0 | 1 |
| 3 | 3 | 4 | 0 | 1 | 2 |
| 4 | 4 | 0 | 1 | 2 | 3 |
Addition ⊕ in mod 5
1.
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