1-[1-(57+314÷34)]×27932÷[34-(516+14)][5.7-4.8×（480%-3.8）]÷0.45987×655-321666+987×654+412÷1412004+22004+32004+…+1002004(1+599+3533+9511)÷(1199+3133+9111)．-数学
=1-[1-1]×
| 2 |
| 7 |
=1-0×
| 2 |
| 7 |
=1-0，
=1；
（2）
| 9 |
| 32 |
| 3 |
| 4 |
| 5 |
| 16 |
| 1 |
| 4 |
=
| 9 |
| 32 |
| 3 |
| 4 |
| 9 |
| 16 |
=
| 9 |
| 32 |
| 3 |
| 16 |
=
| 3 |
| 2 |
（3）[5.7-4.8×（480%-3.8）]÷0.45，
=[5.7-4.8×1]÷0.45，
=[5.7-4.8]÷0.45，
=0.9÷0.45，
=2；
（4）
| 987×655-321 |
| 666+987×654 |
| 1 |
| 2 |
| 1 |
| 4 |
=
| 987×(654+1)-321 |
| 666+987×654 |
| 1 |
| 2 |
| 1 |
| 4 |
=
| 987×654+987-321 |
| 666+987×654 |
| 1 |
| 2 |
| 1 |
| 4 |
=
| 987×654+666 |
| 666+987×654 |
| 1 |
| 2 |
| 1 |
| 4 |
=1+4
| 1 |
| 2 |
| 1 |
| 4 |
=1+18，
=19；
（5）
| 1 |
| 2004 |
| 2 |
| 2004 |
| 3 |
| 2004 |
