1=3/3=( )/4=5/( )=( )/8=21/( )=( )/30 快回答啊

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1=3/3=( )/4=5/( )=( )/8=21/( )=( )/30 快回答啊
1=3/3=( )/4=5/( )=( )/8=21/( )=( )/30 快回答啊

1=3/3=( )/4=5/( )=( )/8=21/( )=( )/30 快回答啊
1=3/3=( 4)/4=5/(5 )=(8 )/8=21/( 21)=( 30)/30

4,
5
8,
21,
30

= =# 1=3/3=(4)/4=5/(5)=(8)/8=21/(21)=(30)/30 0.0

1=3/3=(4)/4=5/(5)=(8)/8=21/(21)=(30)/30