( )×( )=( )(个)( )×( )=( )(个) ( )÷( )=( )(个)( )÷( )=( )(个)
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9张桌子要配多少把椅子?列式:________________
□×□=□ □×□=□
(1)
(2)
( )+( )+( )=( )=( )
( )-( )=( )
(3)
(4)
( )+( )=( )
( )-( )=( )(米)
加法算式:__________________
加法算式:_________________
(1)□+□=□
(2)□-□=□