1-50的平方，立方及算术平方根

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 =529 24² =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= 1936

45² =2025 46² =2116 47² =2209 48²= 2304

49² =2401 50²= 2500

1³=1 2³= 8 3³ =27 4³ =64

5³ =125 6³= 216 7³= 343 8³ =512

9³ =729 10³= 1000 11³ =1331 12³ =1728

13³= 2197 14³ =2744 15³= 3375 16³= 4096

17³ =4913 18³ =5832 19³= 6859 20³= 8000

1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

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