11.45:5⋅9, 8⋅3:6, 70-6⋅7-6, (44-8):4, 56:7⋅3, 6⋅6:9, 26+8-4⋅7, 9⋅(10-2), 32:4⋅8, 2⋅9:3, 35:5+2⋅7, (8 + 6): 7, 54:9⋅4, 9⋅4:6

Рассмотрим каждый пример по порядку: 1. (45 \div 5 \times 9 = 9 \times 9 = 81) 2. (8 \times 3 \div 6 = 24 \div 6 = 4) 3. (70 - 6 \times 7 - 6 = 70 - 42 - 6 = 28 - 6 = 22) 4. ((44 - 8) \div 4 = 36 \div 4 = 9) 5. (56 \div 7 \times 3 = 8 \times 3 = 24) 6. (6 \times 6 \div 9 = 36 \div 9 = 4) 7. (26 + 8 - 4 \times 7 = 26 + 8 - 28 = 34 - 28 = 6) 8. (9 \times (10 - 2) = 9 \times 8 = 72) 9. (32 \div 4 \times 8 = 8 \times 8 = 64) 10. (2 \times 9 \div 3 = 18 \div 3 = 6) 11. (35 \div 5 + 2 \times 7 = 7 + 14 = 21) 12. ((8 + 6) \div 7 = 14 \div 7 = 2) 13. (54 \div 9 \times 4 = 6 \times 4 = 24) 14. (9 \times 4 \div 6 = 36 \div 6 = 6)