判断.(对的在括号里打“√”,错的打“×”.)(1)把一个圆分成3份,每份是它的. (2)> (3)里面有6个. (4)因为<,所以>. .
15÷20==18: = %= (填小数)
=0.25= :32=8÷ = %= 折.
== ÷ = (小数)
÷5== =0.6=15÷ .
==0.25==.