()/16=5/()=10/20=()÷56 20÷()=4/()=()/54
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()/16=5/()=10/20=()÷5620÷()=4/()=()/54()/16=5/()=10/20=()÷5620÷()=4/()=()/54()/16=5/()=10/20=()÷5620
()/16=5/()=10/20=()÷56 20÷()=4/()=()/54
()/16=5/()=10/20=()÷56 20÷()=4/()=()/54
()/16=5/()=10/20=()÷56 20÷()=4/()=()/54
(8)/16=5/(10)=10/20=(28)÷56
20÷(30)=4/(6)=(36)/54
(8)/16=5/(10)=10/20=(28)÷56
20÷(45)=4/(9)=(24)/54
()/16=5/()=10/20=()÷56 20÷()=4/()=()/54
()/16=5/()=10/20=()÷56 20÷()=4/()=()/54
( / 20)= 0.8 =(5 / )= 16 ÷( ) = (30 / )
()分之20=0.8=5分之()=16÷()=()
16:20=32:()=()÷5分之()=():0.2
3:5=10分之()=()÷20=15:()=()%
1.(1)( ):16=0.25=( )%=( )÷8(2) 20÷( )=多少分之5=1÷20=( ):( )(3)( )÷16=多少分之21=0.875=( )%=7( )(4)( )÷5=10分之多少=2.6=( )%2.一段公路,已经修完了全长的 54%,
5分之3=()÷10=3÷()=()分之20=()(填小数)
)=16:20=8÷( )=( )%=( )(填小数)
( ):( )=5分之4=( ):10=12÷( )=20÷( ) (:是比号)
32分之()=16分之10=()分之5=15÷()=()
10分之()=4:5=16÷()=():15=()折
)=10÷( )=20:( )=0.4=( )%
20÷()=()分之5=1÷20=():()?
( )÷0.25=0.8=( )÷5=16:( )=( )%
16:20=8:()=五分之( )=1.2÷()=()%
7.35:( )=20÷16==( )%=( )(填小数)
()/8=10/5=()÷4=360÷()=()/1