8.905 + 5.675 - 4.632 + 1.280 =?
- 92 x 42+ 158 =?
(52% of 3543) - (38%of 2759) =?
416 x? x 8 = 59904
5.43 + 4.35 + 0.45 + 45.34 + 534 =?
3251 + 587 + 369 -? = 3007