圆周率π与3.14比较（）A.=B.&

圆周率π与3.14比较请选择ABC2r/d)Y7v'E+k2G/w-n3e3S7j1D;}4D/h-u7?1X5y)O

A.=2G/w-n3e3S7j1D;}4D/h-u7?1X5y)O

B.>2G/w-n3e3S7j1D;}4D/h-u7?1X5y)O

C.<2G/w-n3e3S7j1D;}4D/h-u7?1X5y)O