计算：（1）（284+16）×（512-8208÷18）+1360×13+14（2）6-1.19×3-0.43+15+145÷190（3）3.2×（1.5+2.5）÷1.6+14×160-145×190（4）27.85-（7.85+3.4）+190-190×112．-数学
（2）6-1.19×3-0.43+
| 1 |
| 5 |
| 1 |
| 45 |
| 1 |
| 90 |
=6-3.57-0.43+0.2+
| 1 |
| 45 |
=6-3.57-0.43+2.2，
=6-（3.57+0.43）+2.2，
=2+2.2，
=4.2；
（3）3.2×（1.5+2.5）÷1.6+14×
| 1 |
| 60 |
| 1 |
| 45 |
| 1 |
| 90 |
=3.2×4÷1.6+
| 14 |
| 60 |
| 1 |
| 4050 |
=12.8÷1.6+
| 7 |
| 30 |
| 1 |
| 4050 |
=8
| 945 |
| 4050 |
| 1 |
| 4050 |
=8
| 472 |
| 2025 |
（4）27.85-（7.85+3.4）+
| 1 |
| 90 |
| 1 |
| 90 |
| 1 |
| 12 |
=（27.85-7.85-3.4）+
| 1 |
| 90 |
| 11 |
| 12 |
=（20-3.4）+
| 11 |
| 1080 |
=16
| 3 |
| 5 |
| 11 |
| 1080 |
=16
| 648 |
| 1080 |
