32只鸽子飞回7个鸽舍,至少有5只鸽子要飞进同个鸽舍? .(判断对错)
0.35===( )÷( )=.
:20=3: =0.2== %
=== ÷12.
18÷ == ÷5= .
=0.625==15÷ .