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1——— 50 平方 1*1=1 2*2=4 3*3=9 4*4=16 5*5=25 6*6=36 7*7=49 8*8=64 14*14=196 15*15=225 16*16=256 17*17=289 18*18=324 19*19=361 20*20=400 21*21=441 27*27=729 28*28=784 29*29=841 30*30=900 31*31=961 32*32=1024 33*33=1089 34*34=1156 40*40=1600 41*41=1681 42*42=1764 43*43=1849 44*44=1936 45*45=2025 46*46=2116 47*47=2209 9*9=81 22*22=484 35*35=1225 10*10=100 23*23=529 36*36=1296 11*11=121 24*24=576 37*37=1369 12*12=144 25*25=625 38*38=1444 13*13=169

26*26=676

39*39=1521

1 ----- 50平方根 √0 = 0（表示根号0等于0，√17 = 4.12310562561766 下同） √18 = 4.24264068711928 √1 = 1

√19 = 4.35889894354067 √2 = 1.4142135623731 √20 = 4.47213595499958 √3 = 1.73205080756888 √21 = 4.58257569495584 √4 = 2

√22 = 4.69041575982343 √5 = 2.23606797749979 √23 = 4.79583152331272 √6 = 2.44948974278318 √24 = 4.89897948556636 √7 = 2.64575131106459 √25 = 5

√8 = 2.82842712474619 √26 = 5.09901951359278 √9 = 3

√27 = 5.19615242270663 √10 = 3.16227766016838 √28 = 5.29150262212918 √11 = 3.3166247903554 √29 = 5.3851648071345 √12 = 3.46410161513775 √30 = 5.47722557505166 √13 = 3.60555127546399 √31 = 5.56776436283002 √14 = 3.74165738677394 √32 = 5.65685424949238 √15 = 3.87298334620742 √33 = 5.74456264653803 √16 = 4

√34 = 5.8309518948453

48*48=2304 49*49=2401 50*50=2500

35 = 5.91607978309962 36 = 6

37 = 6.08276253029822 38 = 6.16441400296898 39 = 6.2449979983984 40 = 6.32455532033676 41 = 6.40312423743285 42 = 6.48074069840786 43 = 6.557438524302 44 = 6.6332495807108 45 = 6.70820393249937 46 = 6.78232998312527 47 = 6.85565460040104 48 = 6.92820323027551 49 = 7

50 = 7.07106781186548

√√√√√√√√√√√√√√√√ 1 ---- 50 立方

1*1*1=1 2*2*2=8 3*3*3=27 4*4*4=64 5*5*5=125 6*6*6=216 7*7*7=343 8*8*8=512 9*9*9=729 10*10*10=1000 11*11*11=1331 12*12*12=1728 13*13*13=2197

14*14*14=2744 15*15*15=3375 16*16*16=4096 17*17*17=4913 18*18*18=5832 19*19*19=6859 20*20*20=8000 21*21*21=9261 22*22*22=10648 23*23*23=12167 24*24*24=13824 25*25*25=15625 26*26*26=17576

27*27*27=19683 28*28*28=21952 29*29*29=24389 30*30*30=27000 31*31*31=29791 32*32*32=32768 33*33*33=35937 34*34*34=39304 35*35*35=42875 36*36*36=46656 37*37*37=50653 38*38*38=54872 39*39*39=59319

40*40*40=64000 41*41*41=68921 42*42*42=74088 43*43*43=79507 44*44*44=85184 45*45*45=91125 46*46*46=97336 47*47*47=103823 48*48*48=110592 49*49*49=117649 50*50*50=125000

1---- 50 立方根

3

√0 = 0 √1 = 1

√2 = 1.25992104989487 √3 = 1.44224957030741 √4 = 1.5874010519682 √5 = 1.7099759466767 √6 = 1.81712059283214 √7 = 1.91293118277239 √8 = 2

√9 = 2.0800838230519 √10 = 2.15443469003188

3√17 = 2.57128159065824 3√18 = 2.6207413942089 3√19 = 2.66840164872194 3√20 = 2.71441761659491 3√21 = 2.75892417638112 3√22 = 2.80203933065539 3√23 = 2.84386697985157 3√24 = 2.88449914061482 3√25 = 2.92401773821287 3√26 = 2.96249606840737 3√27 = 3

3√28 = 3.03658897187566 3√29 = 3.07231682568585 3√30 = 3.10723250595386 3√31 = 3.14138065239139 3√32 = 3.1748021039364 3√33 = 3.20753432999583

3√34 = 3.23961180127748 3√35 = 3.27106631018859 3√36 = 3.30192724889463 3√37 = 3.33222185164595 3√38 = 3.36197540679896 3√39 = 3.39121144301417 3√40 = 3.41995189335339 3√41 = 3.44821724038273 3√42 = 3.47602664488645 3√43 = 3.50339806038672 3√44 = 3.53034833532606 3√45 = 3.55689330449006 3√46 = 3.58304787101595 3√47 = 3.60882608013869 3√48 = 3.63424118566428 3√49 = 3.65930571002297 3√50 = 3.68403149864039

3

3

3

3

3

3

3

3

3

3

3√11 = 2.22398009056932 3√12 = 2.28942848510666 3√13 = 2.35133468772076 3√14 = 2.41014226417523 3√15 = 2.46621207433047 3√16 = 2.51984209978975

20以内整数的平方

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

20以内整数的立方

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

2的乘方

21=2 22=4 23=8 24=4 25=32 26=64 27=128 28=256 29=512 210=1024

3的乘方

31=3 32=9 33=27 34=81 35=243

10以内的算术平方根

√1=1 √2=1.414214 √3=1.73205 √4=2 √5=2.23607 √6=2.44949 √7=2.64575 √8=2.82843 √9=3 √10=3.16228