公务员考试中常用特殊小数

资料中常用的数学常数 “多位特殊小数”及其对应分数 33.3%=0.333≈ EQ 66.7%=0.667≈ 25.0%=0.250 = 75.0%=0.750 = 16.7%=0.167≈ 83.3%=0.833≈ 14.3%=0.143≈ 28.6%=0.286≈ 42.9%=0.429≈ 57.5%=0.575≈ 71.4%=0.714≈ 85.7%=0.857≈ 12.5%=0.125 = 37.5%=0.375 = 62.5%=0.625 = 87.5%=0.875 = 11.1%=0.111≈ 22.2%=0.222≈ 44.4%=0.444≈ 55.6%=0.556≈ 77.8%=0.778≈ 88.9%=0.889≈ 9.1%=0.091≈ 8.3%=0.083≈ 7.7%=0.077≈ 7.1%=0.071≈ 6.7%=0.067≈ 6.25%=0.0625= 特殊分数的记忆方式 =0. 4285 EMBED Equation.3 EMBED Equation.3 =0. 8571 , =0. 2857 , =0. 7142 , =0. 1428 , =0. 5714 =0. EMBED Equation.3 ， ， ， ， ； =0. ， ， ， ， ， ， ， ， 无限不循环小数 ≈1.414 1.414×1.414≈2 ； ≈1.732 1.732×1.732≈3 ≈2.236 2.236×2.236≈5 ； ≈2.449 2.449×2.449≈6 ≈2.646 2.646×2.646≈7 ； ≈2.828 2.828×2.828≈8 ≈3.162 3.162×3.162≈10 11～30的平方数 112=121 122=144 132=169 142=196 152=225 162=256 172=289 182=324 192=361 202=400 212=441 222=484 232=529 242=576 252=625 262=676 272=729 282=784 292=841 302=900 _1309177817.unknown _1309178948.unknown _1309242472.unknown _1309243262.unknown _1392009972.unknown _1392021614.unknown _1392021649.unknown _1392021707.unknown _1392017432.unknown _1392009873.unknown _1392009932.unknown _1309243346.unknown _1309243395.unknown _1309243484.unknown _1309243371.unknown _1309243303.unknown _1309242971.unknown _1309243010.unknown _1309243150.unknown _1309243220.unknown _1309242984.unknown _1309242815.unknown _1309242849.unknown _1309242788.unknown _1309240775.unknown _1309242346.unknown _1309240893.unknown _1309240894.unknown _1309179066.unknown _1309178987.unknown _1309178340.unknown _1309178738.unknown _1309178761.unknown _1309178797.unknown _1309178811.unknown _1309178820.unknown _1309178803.unknown _1309178780.unknown _1309178746.unknown _1309178753.unknown _1309178394.unknown _1309178659.unknown _1309178350.unknown _1309178293.unknown _1309178306.unknown _1309178333.unknown _1309178078.unknown _1309178156.unknown _1309178268.unknown _1309177847.unknown _1309177337.unknown _1309177612.unknown _1309177748.unknown _1309177791.unknown _1309177694.unknown _1309177501.unknown _1309177510.unknown _1309177374.unknown _1309176960.unknown _1309177067.unknown _1309177291.unknown _1309177030.unknown _1309176830.unknown _1309176880.unknown _1309176448.unknown _1309176578.unknown _1309176703.unknown _1309176537.unknown _1309176405.unknown