把答案写在右边答题区内
( ) ( ) ( ) ( )
( ) ( ) ( ) ( )
=0.6x[( )+( )+( )]
=0.6x( )
=( )
=1/4x[( )+( )+( )]括号里面填小数
=1/4x( )
=( )
=1.32x[( )+( )]
=1.32x( )
=( )
=13/20x[( )+( )]÷20%
=13/20x( )÷20%
=( )