( )÷20=4/( )=0.8=( )/15
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( )÷20=4/( )=0.8=( )/15
( )÷20=4/( )=0.8=( )/15
( )÷20=4/( )=0.8=( )/15
(16 )÷20=4/( 5)=0.8=(12 )/15
16 5 12
( )÷20=4/( )=0.8=( )/15
40÷()=():20=0.8=()%
():20=0.8=()÷15=()%
( )/20=20÷( )=8:( )=0.8=( )%
( )÷15=0.8=5分之( )=( ):20=20:( )
[ ]:20=0.8=[ ] ÷15=20/[ ]=[ ]%
( ):5=0.8=20/( )=( )÷20=( )%
20÷( )=15分之( )=0.8=( )% =( ):( )
( / 20)= 0.8 =(5 / )= 16 ÷( ) = (30 / )
()分之20=0.8=5分之()=16÷()=()
( ):20=20÷( )=五分之( )=0.8
():20=几分之二十=0.8=()÷15=()%
第7题()÷5=20之几=0.8=()%=()?
0.6÷0.8=60÷( )=( ):4=( )%
4比()=15分之几=()÷20=80=0.8
【 】÷25=20分之【 】=0.8=【 】%=【 】成
十分之( )=20÷( )=():30=0.8=( )%
几分之20 = 0.8 = = 16÷( )= 30分之几