括号里最大能填几?6×( )<48 ( )×6<55 ( )×9<57( )×7<70 7×( )<34 8×( )<68( )×6<20 34>5×( ) ( )×5<34
20%= ÷40=40: = [填小数]=× .
÷12===10÷( )=.
= %=12÷ =9: =.
÷ == :16= 小数.
÷ ==0.4= %= : .