初一下册数学的平方根,1到20的立方根,

初一下册数学的平方根,1到20的立方根,
初一下册数学的平方根,1到20的立方根,

初一下册数学的平方根,1到20的立方根,
1
1.26
1.44
1.59
1.71
1.82
1.91
2
2.08
2.15
2.22
2.29
2.35
2.41
2.47
2.52
2.57
2.62
2.67
2.71

都是用excel帮你算的。 数值立方根 11 21.25992105 31.44224957 41.587401052 51.709975947 61.817120593 71.912931183 82 92.080083823 102.15443469 112.223980091 122.289428485 132.351334688 142.410142264 1...

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都是用excel帮你算的。 数值立方根 11 21.25992105 31.44224957 41.587401052 51.709975947 61.817120593 71.912931183 82 92.080083823 102.15443469 112.223980091 122.289428485 132.351334688 142.410142264 152.466212074 162.5198421 172.571281591 182.620741394 192.668401649 202.714417617 212.758924176 222.802039331 232.84386698 242.884499141 252.924017738 262.962496068 273 283.036588972 293.072316826 303.107232506

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√0 = 0（表示根号0等于0，下同）
√1 = 1
√2 = 1.4142135623731
√3 = 1.73205080756888
√4 = 2
√5 = 2.23606797749979
√6 = 2.44948974278318
√7 = 2.64575131106459
√8 = 2.82842712474...

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√0 = 0（表示根号0等于0，下同）
√1 = 1
√2 = 1.4142135623731
√3 = 1.73205080756888
√4 = 2
√5 = 2.23606797749979
√6 = 2.44948974278318
√7 = 2.64575131106459
√8 = 2.82842712474619
√9 = 3
√10 = 3.16227766016838
√11 = 3.3166247903554
√12 = 3.46410161513775
√13 = 3.60555127546399
√14 = 3.74165738677394
√15 = 3.87298334620742
√16 = 4
√17 = 4.12310562561766
√18 = 4.24264068711928
√19 = 4.35889894354067
√20 = 4.47213595499958

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1^3=1
2^3=8
3^3=27
4^3=64
5^3=125
6^3=216
7^3=343
8^3=512
9^3=729
10^3=1000
11^3=1331
12^3=1728
13^3=2197
14^3=2744
15^3=3375
16^3=4096
17^3=4913
18^3=5832
19^3=6859
20^3=8000

是平方和立方而不是平方根和立方根吧。
1^2=1, 2^2=4, 3^2=9, 4^2=16, 5^2=25, 6^2=36, 7^2=49, 8^2=64, 9^2=81, 10^2=100
11^2=121, 12^2=144, 13^2=169, 14^2=196, 15^2=225, 16^2=256, 17^2=289, 18^2=324,...

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是平方和立方而不是平方根和立方根吧。
1^2=1, 2^2=4, 3^2=9, 4^2=16, 5^2=25, 6^2=36, 7^2=49, 8^2=64, 9^2=81, 10^2=100
11^2=121, 12^2=144, 13^2=169, 14^2=196, 15^2=225, 16^2=256, 17^2=289, 18^2=324, 19^2=361, 20^2=400
1^3=1, 2^3=8, 3^3=27, 4^3=64, 5^3=125, 6^3=216, 7^3=343, 8^3=512, 9^3=729, 10^3=1000
11^3=1331, 12^3=1728, 13^3=2197, 14^3=2744, 15^3=3375, 16^3=4096, 17^3=4913, 18^3=5832, 19^3=6859, 20^3=8000
一般立方只要记10以下的就可以了。

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