1的立方根1
2 1.7320508076
3 1.4422495703
4 1.316074013
5 1.2457309396
6 1.2009369552
7 1.1699308128
8 1.1472026904
9 1.129830963
20的平方根4.472135955
1的立方根1
2 1.7320508076
3 1.4422495703
4 1.316074013
5 1.2457309396
6 1.2009369552
7 1.1699308128
8 1.1472026904
9 1.129830963
20的平方根4.472135955