1 |
2 |
1 |
3 |
1 |
4 |
1 |
5 |
1 |
6 |
1 |
7 |
1 |
8 |
1 |
2002 |
1 |
2002 |
1 |
1-a |
1 |
1-2 |
1 |
1-(-1) |
1 |
2 |
1 |
2 |
2 |
2 |
2 |
2 |
1 |
3 |
1 |
3 |
1 |
5 |
1 |
5 |
1 |
7 |
1 |
7 |
1 |
9 |
1 |
2n-1 |
1 |
2n+1 |
1 |
2n-1 |
1 |
2n+1 |
1 |
2 |
1 |
4 |
1 |
6 |
1 |
8 |
1 |
4026 |
1 |
4026 |
所挂重物质量(克)&nbcp; | &nbcp;1&nbcp; | 2&nbcp; | 3 | &nbcp;… | n&nbcp; |
&nbcp;弹簧总长度(厘米) | 10+0.5 | 10+1 | 10+1.5 | &nbcp;… | &nbcp;_ |
1 |
2 |
3 |
1 |
2+3+2 |
1×2 |
2 |
3 |
4 |
2 |
8+6+2 |
2×3 |
3 |
4 |
5 |
3 |
18+9+2 |
3×4 |
4 |
5 |
6 |
4 |
32+12+2 |
4×5 |
n |
n+1 |
n+2 |
1 |
2n2+3n+2 |
n(n+1) |
n |
n+1 |
n+2 |
1 |
2n2+3n+2 |
n(n+1) |