□35÷63,要使商是两位数,□里最小填 ;要使商是一位数,□里最大填 .
20÷( )== (小数)= %= 折.
=18: = :20== ÷40.
: =15÷ == (填小数).
= : ==6÷ .
0.6==18÷ = :10= %