小学六年级数学常用圆周率(熟记)

小学六年级数学常用圆周率（熟记）0.1π0.3141π 3.1410π31.4 0.2π0.6282π 6.2820π62.8 0.3π0.9423π9.4230π92.4 0.4π 1.2564π12.5640π125.6 0.5π 1.575π15.750π157 0.6π 1.8846π18.8460π188.4 0.7π 2.1987π21.9870π219.8 0.8π 2.5128π25.1280π251.2 0.9π 2.8269π28.2690π282.6 0.10π 3.1410π31.4100π314

1.2π 3.76812π37.68

1.5π 4.7115π47.1

1.6π 5.02416π50.24

3.2π10.04832π100.48

6.4π20.09664π200.96

2.5π7.8525π78.5

4.5π14.1345π141.3

1.8π 5.65218π56.52