爸爸的体重: 小丽的体重:
列式:_____________________
列式:____________________
( )+( )+( )=( )( )×( )=( )或( )×( )=( )
( )+( )+( )+( )=( )( )×( )=( )或( )×( )=( )
列式:___________________
(1)
1-( )-( )=( )
(1)列式:__________________
(2)列式:________________