6:( ) =0.75=( )/12=( ):( )

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6:( ) =0.75=( )/12=( ):( )

6:(8 ) =0.75=(9 )/12=(3 ):(4)

6:(8) =0.75=(9)/12=(3):(4)

6:( 8) =0.75=(9 )/12=(3 ):( 4)

8 9 3:4