( ):20=14÷( )=( )/( )=0.35=70:( )=( )/( )

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( ):20=14÷( )=( )/( )=0.35=70:( )=( )/( )
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( ):20=14÷( )=( )/( )=0.35=70:( )=( )/( )
( ):20=14÷( )=( )/( )=0.35=70:( )=( )/( )

( ):20=14÷( )=( )/( )=0.35=70:( )=( )/( )
( 7):20=14÷(40 )=(28 )/( 80)=0.35=70:( 200)=(35 )/(100 )

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