把答案写在右边答题区内
爸爸走的路程是( )千米,相当于图上的( )厘米少一点
=7.8x( )+7.8x( )
=( )+( )
=( )
=[( )+( )]x13.7
=( )x13.7
=( )
=8x( )x( )
=( )
=1.6x[( )x( )]
=1.6x( )
=( )
=8.57x[( )-( )]
=8.57x( )
=( )
=2.8x[( )+( )+( )]
=2.8x( )
=( )
结果是( )米