1. (8.15 × 4 ÷ 5) × 3.2
3. 17+ 8x (2.7÷ 6) – 3
5. 0.2 x (5-0.7) + 1.8 ÷ 2
2. 125 +32 x 2.2
4. 38.9 -2.3 × 1.5 + 2.6
6. 21.5÷5+ (8.06 - 12.5 ÷ 2)