计算(能简算的要用简便的方法计算).
| (54+ | 276× | 9.25×9.9+92.5% |
| 5.48+8.73+4.52+1.27 | 9.7÷1.25÷0.8 | 0.4×1.25×25×8 |
| 17.5-4.25-5.75 | 0.125×0.25×32 | (6.3-6.3×0.9)÷6.3 |
| ( | 168.8÷(24.3×2-6.4) | |
| ( | 2500÷ | 375+(5706-5706)÷48 |
| ( | 105×13-1890÷18 | |
| 18×25%+ | 1.5×[0.02÷(2.1-2.09)] |
用竖式计算(带★要写出验算过程)
| 84÷7= | ★91÷3=验算 | 376×4= | 605×6= | 9×450= |