1、常用开方表2 = 1.4142135623731 3 = 1.732050807568884 = 2 5 = 2.236067977499796 = 2.44948974278318 7 = 2.645751311064598 = 2.82842712474619 9 = 318 = 4.24264068711928 19 = 4.3588989435406720 = 4.47213595499958 21 = 4.5825756949558422 = 4.69041575982343 23 = 4.7958315233127224 = 4.89897948556636 25 = 526 =
2、5.09901951359278 27 = 5.1961524227066328 = 5.29150262212918 29 = 5.385164807134530 = 5.47722557505166 31 = 5.5677643628300232 = 5.65685424949238 33 = 5.7445626465380334 = 5.8309518948453 35 = 5.9160797830996211 到 20 的平方和 19 的立方11=121 12=14413=169 14=19615=225 16=25617=289 18=32419=361 20=4001=1 2=8 3=274=64 5=125 6=2167=343 8=512 9=729
