递等式计算（写出主要过程）9.8-（4.5÷118+3710）×1171.8×[6512÷16+38×（9-2712）]÷2341514×135+1.616.25÷5823+34+35+57+920+1021+1235．-数学
=9.8-7.7×1
| 1 |
| 7 |
=9.8-8.8
=1
1.8×[6
| 5 |
| 12 |
| 3 |
| 8 |
| 7 |
| 12 |
| 3 |
| 4 |
=1.8×[6
| 5 |
| 12 |
| 3 |
| 8 |
| 5 |
| 12 |
| 3 |
| 4 |
=1.8×[6
| 5 |
| 12 |
| 7 |
| 16 |
| 3 |
| 4 |
=1.8×
| 539 |
| 192 |
| 4 |
| 11 |
=
| 21 |
| 80 |
15
| ||||
16.25÷
|
=
| 24.4+1.6 |
| 26 |
=1
| 2 |
| 3 |
| 3 |
| 4 |
| 3 |
| 5 |
