1.1
2.1.414
3.1.732
4.2
5.2.236
6.2.450
7.2.646
8.2.828
9.3
10.3.162
11.3.317
12.3.464
13.3.606
14.3.742
15.3.873
16.4
17.4.123
18.4.243
19.4.359
20.4.472
这是近似值,要再精确就用计算器吧.
1.1
2.1.414
3.1.732
4.2
5.2.236
6.2.450
7.2.646
8.2.828
9.3
10.3.162
11.3.317
12.3.464
13.3.606
14.3.742
15.3.873
16.4
17.4.123
18.4.243
19.4.359
20.4.472
这是近似值,要再精确就用计算器吧.