1 |
a+b |
b |
a2-b2 |
a |
a+b |
1 |
4 |
1 |
2 |
大本营 | 1对自己说“加油!” | 2后退一格 | 3前进三格 | 4原地不动 | 5对你的小伙伴说“你好!” | 6背一首古诗 |
1 |
6 |
1 |
3 |
1 |
2 |
2 |
3 |
1 |
x-1 |
3 |
2x |
3 |
4 |
√5 |
3 |
k |
x |
k |
x |
x/cm | 0 | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 |
y1/cm | 5 | 2.85 | 1.98 | 1.52 | 1.21 | 0.97 | 0.76 | 0.56 | 0.37 | 0.19 | 0 |
y2/cm | 0 | 0.46 | 1.29 | 1.61 | 1.84 | 1.96 | 1.95 | 1.79 | 1.41 | 0 |
√3 |
3 |