1、1² =1 2²= 4 3² =9 4² =16 5²= 25 6² =36 7² =49 8²= 64 9² =81 10² =100 11²= 121 12²= 144 13²= 169 14² =196 15²= 225 16² =256 17² =289 18²= 324 19² =361 20²=400 21²= 441 22²=484 23² =529 2
2、4² =576 25²= 625 26² =676 27²=729 28² =784 29²= 841 30²= 900 31² =961 32² =1024 33² =1089 34² =1156 35² =1225 36²= 1296 37² =369 38² =1444 39² =1521 40²= 1600 41² =1681 42² =1764 43² =1849 44²= 1
3、936 45² =2025 46² =2116 47² =2209 48²= 2304 49² =2401 50²= 2500 1³=1 2³= 8 3³ =27 4³ =645³ =125 6³= 216 7³= 343 8³ =5129³ =729 10³= 1000 11³ =1331 12³ =172813³= 2197 14³ =2744 15³= 3375 16³= 409617³ =4913 18³ =5832 19³= 6859 20³= 80001 到 20 的算数平方根分别1 = 1 2 =1.414 3 = 1.732 4 = 2 5 =2.236 6 = 2.449 7 = 2.645 8 = 2.828 9 =3 10 = 3.162 11 =3.316 12 = 3.464 13 = 3.605 14 = 3.741 15 = 3.872 16 = 4 17 = 4.123 18 =4.358 20 = 4.472
