| (︽ | ︾ ) | 1. | = × | ( | 12 | ; 1 1 | ; 12 12 | ) | 2. | = | × | 3. | = | × + ( | 6 ; | | ) | 4. | = | × | 5. | = × | | 6. | | = | ×50% | | | ︽ | | ︾ | 1. = + + | | 2. = (/ ) | × ( ) ( | ; | | | ) | 3. = ( / )× | () ( | ) | 20 | | 4. | | | 5. = | | (/ )× | 6. | | 7. = | ( | )× | ×20 (60 | 1 ;7 5 5 | ) | 8. = | ×( / ) ( | ) | 9. = | ×6 | 10. = | | ( | )× | ( 1 )× / | ( 18 | ; | 20 ;60 | 1 ;75 | 5 ) | 11. = | | ( | ) × 20 ( 6 0 | 1 ;75 5 ) |