1 2= 1
22= 4
32= 9
42= 16
52= 25
62= 36
72= 49
82=
92= 81
102= 100
112= 121
122= 144
132= 169
142= 196
152= 225
162= 256
172= 2
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
1—10的立方
13= 1
23= 8
33= 27
43=
53= 125
63= 216
73= 343
83= 512
93= 729
103＝1000
2的1—10次方
21= 2
22= 4
23= 8
24= 16
25= 32
26=
27= 128
28= 256
29= 512
210= 1024
1-20平方根，1-10立方根表
平方根
| √1 = 1 | 立方根 |
| √2 = 1.4142135623731 | 3√1 = 1 |
| √3 = 1.73205080756888 | 3√2 = 1.259921049487 |
| √4 = 2 | 3√3 = 1.44224957030741 |
| √5 = 2.23606797749979 | 3√4 = 1.5874010519682 |
| √6 = 2.449474278318 | 3√5 = 1.7099759466767 |
| √7 = 2.5751311059 | 3√6 = 1.81712059283214 |
| √8 = 2.82842712474619 | 3√7 = 1.91293118277239 |
| √9 = 3 | 3√8 = 2 |
| √10 = 3.16227766016838 | 3√9 = 2.0800838230519 |
| √11 = 3.3166247903554 | 3√10 = 2.15443469003188 |
| √12 = 3.410161513775 | |
| √13 = 3.60555127546399 | |
| √14 = 3.74165738677394 | |
| √15 = 3.87298334620742 | |
| √16 = 4 | |
| √17 = 4.12310562561766 | |
| √18 = 4.242068711928 | |
| √19 = 4.3584354067 | |
| √20 = 4.47213595499958 |
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