| 1 |
| 2 |
| 4 |
| 5 |
=1.53×(-0.75+0.5+0.8),
=1.53×(1.3-0.75),
=1.53×0.55,
=0.8415;
(2)(2
| 1 |
| 3 |
| 1 |
| 2 |
| 9 |
| 12 |
| 1 |
| 6 |
=(
| 7 |
| 3 |
| 7 |
| 2 |
| 21 |
| 12 |
| 6 |
| 7 |
=
| 7 |
| 3 |
| 6 |
| 7 |
| 7 |
| 2 |
| 6 |
| 7 |
| 21 |
| 12 |
| 6 |
| 7 |
=-2+3-
| 3 |
| 2 |
=3-3
| 1 |
| 2 |
=-
| 1 |
| 2 |
| 1 |
| 2 |
| 4 |
| 5 |
| 1 |
| 3 |
| 1 |
| 2 |
| 9 |
| 12 |
| 1 |
| 6 |
| 1 |
| 2 |
| 4 |
| 5 |
| 1 |
| 3 |
| 1 |
| 2 |
| 9 |
| 12 |
| 1 |
| 6 |
| 7 |
| 3 |
| 7 |
| 2 |
| 21 |
| 12 |
| 6 |
| 7 |
| 7 |
| 3 |
| 6 |
| 7 |
| 7 |
| 2 |
| 6 |
| 7 |
| 21 |
| 12 |
| 6 |
| 7 |
| 3 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |