1. | ||
2. | 1Ú 2 = 2Ú 1 | 1 2 = 2 1 |
3. | 1Ú( 2Ú 3) = ( 1Ú 2)Ú 3 | 1( 2 3) = ( 1 2) 3 |
4. | 1( 2Ú 3) = 1 2Ú 1 3 | 1Ú 2 3 = ( 1Ú 2)( 1Ú 3) |
5. - | ||
6. 0 1 | ||
Ú0 = ; Ú1 = 1 | 0 = 0; 1 = | |
7. | ||
8. | 1Ú 1 2 = 1 | 1( 1Ú 2) = 1 |
9. | Ú ÚÚ = | = |
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: 2015-10-01; !; : 425 | : : , . |