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根号1至根号20的平方根和立方根

√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

立方根

3√0 = 0

3√1 = 1

3√2 = 1.25992104989487

3√3 = 1.44224957030741

3√4 = 1.5874010519682

3√5 = 1.7099759466767

3√6 = 1.81712059283214

3√7 = 1.91293118277239

3√8 = 2

3√9 = 2.0800838230519

3√10 = 2.15443469003188

3√11 = 2.22398009056932

3√12 = 2.28942848510666

3√13 = 2.35133468772076

3√14 = 2.41014226417523

3√15 = 2.46621207433047

3√16 = 2.51984209978975

3√17 = 2.57128159065824

3√18 = 2.6207413942089

3√19 = 2.66840164872194

3√20 = 2.71441

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