222÷37的商是 位数,441÷45的商是 位数,516÷6的商是 位数.
0.5== ÷2=25÷ .
在括号里填上合适的数. 3÷8=9÷ === (填小数)
= :16=12: = ÷ = 填小数.
=15÷ = :50=.
1.5: =0.75=75÷ = :36=.