1. 33.388 ÷ 6.8 + 2.82 × 14 = ?

2. 6.81 × 18.1 - 14.88 - 14.99 - 12.61 + 3.05 = ?

3. 4.98 + 8.9 × 5.304 ÷ 5.2 - 29.6868 ÷ 6.92 × 43.2 ÷ 9.6 × 5.47 - 14.2 = ?

4. 9.7 × 106.818 ÷ 5.7 - 12.57 = ?

5. 18.38 × 7.5 - 182.7033 ÷ 17.79 × 14.21 × 3.5 = ?

6. 9.89 - 136.23 ÷ 14.34 × 7.3 - 5.31 + 19.178 ÷ 4.46 × 106.323 ÷ 18.3 + 16.2 = ?

7. 99.33 ÷ 14.19 × 3.41 × 18.77 = ?

8. 18.6 - 11.6 - 8.5 - 16.8 = ?

9. 77.854 ÷ 16.6 × 4.6 - 269.4228 ÷ 16.86 + 73.8528 ÷ 15.68 × 13.2 - 17.9 + 5.2 = ?

10. 159.06 ÷ 9.64 - 16.32 + 18.1 × 5.2 = ?