想一想，再计算，能简算的要简算．35+110-2589+56-4956+46+153-1213+113415+1113+21358+47-47．-数学
=
| 8 |
| 9 |
| 4 |
| 9 |
| 5 |
| 6 |
=
| 4 |
| 9 |
| 5 |
| 6 |
=
| 23 |
| 18 |
（3）
| 5 |
| 6 |
| 4 |
| 6 |
| 1 |
| 5 |
=
| 3 |
| 2 |
| 1 |
| 5 |
=
| 17 |
| 10 |
（4）3-
| 12 |
| 13 |
| 1 |
| 13 |
=2
| 1 |
| 13 |
| 1 |
| 13 |
=2
| 2 |
| 13 |
（5）
| 4 |
| 15 |
| 11 |
| 13 |
| 2 |
| 13 |
=
| 4 |
| 15 |
| 11 |
| 13 |
| 2 |
| 13 |
=
| 4 |
| 15 |
=1
| 4 |
| 15 |
（6）
| 5 |
| 8 |
| 4 |
| 7 |
| 4 |
| 7 |
=
| 5 |
| 8 |
| 4 |
| 7 |
