| 2008 |
| 2009 |
| 1 |
| 2009 |
| 1 |
| 2 |
=[9+
| 2008 |
| 2009 |
| 1 |
| 2009 |
| 1 |
| 2 |
=[(9-8)+(
| 2008 |
| 2009 |
| 1 |
| 2009 |
| 1 |
| 2 |
=[1+1]÷2×
| 1 |
| 2 |
=2÷2×
| 1 |
| 2 |
=1×
| 1 |
| 2 |
=
| 1 |
| 2 |
(2)
4.75×
| ||||
| 8.68−0.36+4.32−1.64 |
=
| ||||||||
| (8.68+4.32)−(0.36+1.64) |
=
2+
| ||
| 13−2 |
=
| ||
| 11 |
=
| 272 |
| 165 |
| 2008 |
| 2009 |
| 1 |
| 2009 |
| 1 |
| 2 |
4.75×
| ||||
| 8.68−0.36+4.32−1.64 |
| 2008 |
| 2009 |
| 1 |
| 2009 |
| 1 |
| 2 |
| 2008 |
| 2009 |
| 1 |
| 2009 |
| 1 |
| 2 |
| 2008 |
| 2009 |
| 1 |
| 2009 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
4.75×
| ||||
| 8.68−0.36+4.32−1.64 |
| ||||||||
| (8.68+4.32)−(0.36+1.64) |
2+
| ||
| 13−2 |
| ||
| 11 |
| 272 |
| 165 |