计算下列各题
| 59+21-8 | (59+21)×96-8 | (59+21)×(96-8) |
| 9.5+4.85-6.13 | 40-(2.75+0.86) | (75+240)÷(20-5) |
用递等式计算,能简算的要简算
| ( | 8.1÷〔( |
| 1234÷ | 9999×2222+3334×3333. |
| 59+21-8 | (59+21)×96-8 | (59+21)×(96-8) |
| 9.5+4.85-6.13 | 40-(2.75+0.86) | (75+240)÷(20-5) |
| ( | 8.1÷〔( |
| 1234÷ | 9999×2222+3334×3333. |