| 计算下面各题,能简算的请用简便方法计算. 8.38+9.43+6.62 | 5.86-1.77+2.54 | 47.2+8.6-7.2 |
| 28.6-3.8-14.6-6.2 | 8-2.6-1.77 | 7.4+0.93-4.36 |
| 17.34-(9.8+6.34) | 0.93+5.45+7.07+4.55. |
| 计算下面各题,能简算的请用简便方法计算. 8.38+9.43+6.62 | 5.86-1.77+2.54 | 47.2+8.6-7.2 |
| 28.6-3.8-14.6-6.2 | 8-2.6-1.77 | 7.4+0.93-4.36 |
| 17.34-(9.8+6.34) | 0.93+5.45+7.07+4.55. |