下面各题怎样简便就怎样算.
| 3.7×99+3.7 |
|
5.93+0.64+0.07+0.36 | ||||||
| 5.37-1.47-2.53 | (7.9-3.06÷0.68)×1.5 | 105×(
|
| 3.7×99+3.7 |
|
5.93+0.64+0.07+0.36 | ||||||
| 5.37-1.47-2.53 | (7.9-3.06÷0.68)×1.5 | 105×(
|