脱式计算.
| 285-(61+59) | 75×16-180 | 17×(253-186) |
| 递等式计算 (1)4.96-(1.3+2.96) | (2)( | (3)3.4×2.77+0.23×3.4 |
| (4)(24-3.2×1.5)÷0.24 | (5)3÷ | (6)2011×1.06-201.1×0.6. |
| 285-(61+59) | 75×16-180 | 17×(253-186) |
| 递等式计算 (1)4.96-(1.3+2.96) | (2)( | (3)3.4×2.77+0.23×3.4 |
| (4)(24-3.2×1.5)÷0.24 | (5)3÷ | (6)2011×1.06-201.1×0.6. |