( )/6=240/( )=480/360=960/( )=( )/540请问括号里怎么填?

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( )/6=240/( )=480/360=960/( )=( )/540请问括号里怎么填?

( )/6=240/( )=480/360=960/( )=( )/540请问括号里怎么填?
( )/6=240/( )=480/360=960/( )=( )/540请问括号里怎么填?

( )/6=240/( )=480/360=960/( )=( )/540请问括号里怎么填?
(8 )/6=240/(180 )=480/360=960/(720 )=(720 )/540