常用π值口算练习

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,1,=3.14,2,=6.24,3,=9.42,4,=12.56,5,=15.7,6,=18.84,7,=21.98,8,=25.12,9,=28.26,10,=31.4,11,=34.54,12,=37.68,13,=40.82,14,=43.96,15,=47.1,16,=50.24,18,=56.52,20,=62.8,25,=78.5,30,=94.2,36,=113.04,49,=153.86,64,=200.96,81,=254.34,100,=31.4,2,=,4,=12.56,3,=,9,=28.26,4,=,16,=50.24,5,=,25,=78.5,6,=,36,=113.04,7,=,49,=153.86,8,=,64,=200.96,9,=,81,=254.34,常见的值【一】,1=3.14 2=6.28 3=9.42,4=12.56 5=15.7 6=18.84,7=21.98 8=25.12 9=28.26,10=31.4 12=37.68 14=43.96,15=47.1 16=50.24 18=56.52,19=59.66 20=62.8 24=75.36,25=78.,5,32=100.48 36=113.04,64=200.96,81,=,254.34,2=,4=12.56,3=,9=28.26,4=,16=50.24,5=,25=78.,5,6=,36=113.04,7=,49,=,153.86,8=,64=200.96,9=81,=,254.34,10=100,=,314,