267+1.75÷150%-16845÷[7.5+0.625×（114-1.15）]（169+271）×23+25÷71910×67.8+54.3÷119-221×9%（1-1851）+（3-1851×2）+（5-1851×3）+…+（97-1851×49）+（99-1851×50）-数学
| 6 |
| 7 |
（2）8
| 4 |
| 5 |
| 11 |
| 4 |
=8
| 4 |
| 5 |
=8
| 4 |
| 5 |
=8
| 4 |
| 5 |
=8.8÷8.5，
=
| 88 |
| 85 |
（3）（
| 1 |
| 69 |
| 2 |
| 71 |
=
| 1 |
| 69 |
| 2 |
| 71 |
| 25 |
| 71 |
=
| 1 |
| 3 |
| 46 |
| 71 |
| 25 |
| 71 |
=
| 1 |
| 3 |
| 46 |
| 71 |
| 25 |
| 71 |
=
| 1 |
| 3 |
=1
| 1 |
| 3 |
（4）
| 9 |
| 10 |
| 1 |
| 9 |
=
| 9 |
| 10 |
| 9 |
| 10 |
