脱式计算（能简算的要简算）（45+14）÷73+7106×35%+6.5×0.76519×14+1319×14+25%×1191349×21+13×2849．-数学
=
| 9 |
| 20 |
| 7 |
| 10 |
=
| 9 |
| 20 |
| 14 |
| 20 |
=
| 23 |
| 20 |
（2）6×35%+6.5×0.76
=2.1+4.94，
=7.04；
（3）
| 5 |
| 19 |
| 1 |
| 4 |
| 13 |
| 19 |
| 1 |
| 4 |
| 1 |
| 19 |
=
| 5 |
| 19 |
| 1 |
| 4 |
| 13 |
| 19 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 19 |
=（
| 5 |
| 19 |
| 13 |
| 19 |
| 1 |
| 19 |
| 1 |
| 4 |
=1×
| 1 |
| 4 |
=
| 1 |
| 4 |
（4）
| 13 |
| 49 |
| 28 |
| 49 |
=
