7. Вычислите значения выражений: 99:3, 75:5, 56:7*9, 54:9*6, 36:2+72, 48:3+14, (86-30):8, (78-50):7

1. \[99:3 = 33\] 2. \[75:5 = 15\] 3. \[56:7 \cdot 9 = 8 \cdot 9 = 72\] 4. \[54:9 \cdot 6 = 6 \cdot 6 = 36\] 5. \[36:2+72 = 18+72 = 90\] 6. \[48:3+14 = 16+14 = 30\] 7. \[(86-30):8 = 56:8 = 7\] 8. \[(78-50):7 = 28:7 = 4\]