1×1=11×1×1=1√1=12×2=42×2×2=8√2=1.4142135623×3=93×3×3=27√3=1.7320508084×4=164×4×4=64√4=25×5=255×5×5=125√5=2.2360679776×6=366×6×6=216√6=2.4494897437×7=497×7×7=343√7=2.6457513118×8=648×8×8=512√8=2.8284271259×9=819×9×9=729√9=310×10=10010×10×10=1000√10=3.1622776611×11=12111×11×11=1331√11=3.3166247912×12=14412×12×12=1728√12=3.46410161513×13=16913×13×13=2197√13=3.60555127514×14=19614×14×14=2744√14=3.74165738715×15=22515×15×15=3375√15=3.87298334616×16=25616×16×16=4096√16=417×17=28917×17×17=4913√17=4.12310562618×18=32418×18×18=5832√18=4.24264068719×19=36119×19×19=6859√19=4.35889894420×20=40020×20×20=8000√20=4.47213595521×21=44121×21×21=9261√21=4.58257569522×22=48422×22×22=10648√22=4.6904157623×23=52923×23×23=12167√23=4.79583152324×24=57624×24×24=13824√24=4.89897948625×25=62525×25×25=15625√25=526×26=67626×26×26=17576√26=5.09901951427×27=72927×27×27=19683√27=5.19615242328×28=78428×28×28=21952√28=5.29150262229×29=84129×29×29=24389√29=5.38516480730×30=90030×30×30=27000√30=5.47722557531×31=96131×31×31=29791√31=5.56776436332×32=102432×32×32=32768√32=5.65685424933×33=108933×33×33=35937√33=5.74456264734×34=115634×34×34=39304√34=5.83095189535×35=122535×35×35=42875√35=5.91607978336×36=129636×36×36=46656√36=637×37=136937×37×37=50653√37=6.0827625338×38=144438×38×38=54872√38=6.16441400339×39=152139×39×39=59319√39=6.24499799840×40=160040×40×40=64000√40=6.3245553241×41=168141×41×41=68921√41=6.40312423742×42=176442×42×42=74088√42=6.48074069843×43=184943×43×43=79507√43=6.55743852444×44=193644×44×44=85184√44=6.63324958145×45=202545×45×45=91125√45=6.70820393246×46=211646×46×46=97336√46=6.78232998347×47=220947×47×47=103823√47=6.855654648×48=230448×48×48=110592√48=6.9282032349×49=240149×49×49=117649√49=750×50=250050×50×50=125000√50=7.071067812常用平方表常用立方表常用平方根表