1. 5760 ÷ 90 = 64
2. 7740 ÷ 86 = 90
3. 90 × 35 = 3150
4. 384 ÷ 7 = 54.8
5. 64 × 52 = 3328
6. 2000 ÷ 8 = 250
7. 3150 + 250 = 3400
8. 3400 - 64 = 3336
9. 3336 + 54.8 = 3390.8
1. 5760 ÷ 90 = 64
2. 7740 ÷ 86 = 90
3. 90 × 35 = 3150
4. 384 ÷ 7 = 54.8
5. 64 × 52 = 3328
6. 2000 ÷ 8 = 250
7. 3150 + 250 = 3400
8. 3400 - 64 = 3336
9. 3336 + 54.8 = 3390.8