x | 1 | 3 | 4 | |
y | 2.2 | 4.3 | 4.8 | 6.7 |
x | 1 | 3 | 4 | |
y | 2.2 | 4.3 | 4.8 | 6.7 |
1 |
4 |
π |
4 |
月份x | 1 | 2 | 3 | 4 |
用水量y | 4.5 | 4 | 3 | 2.5 |
X | 1.993 | 3.002 | 4.001 | 5.032 | 6.121 |
Y | 1.501 | 4.413 | 7.498 | 12.04 | 17.93 |
X | 1.993 | 3.002 | 4.001 | 5.032 | 6.121 |
Y | 1.501 | 4.413 | 7.498 | 12.04 | 17.93 |
x | 2 | 4 | 5 | 6 | 8 |
y | 30 | 40 | 60 | 50 | 70 |
a+b |
2 |
1 |
n |
1 |
n |
x | 0 | 1 | 2 | 3 |
y | 1 | 3 | 5 | 7 |