4:( )=15/( )=( )/20=( )%=0.8
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4:( )=15/( )=( )/20=( )%=0.8
4:( )=15/( )=( )/20=( )%=0.8
4:( )=15/( )=( )/20=( )%=0.8
4:(5 )=12/( 15)=(16 )/20=(80 )%=0.8
4:(5 )=15/( 18.75)=(16 )/20=(80 )%=0.8
4:(5 )=12/( 15)=(16 )/20=(80 )%=0.8 LZ是几年级的啊。。。
4:( )=15/( )=( )/20=( )%=0.8
( )÷20=4/( )=0.8=( )/15
4:( )=15
15除20=9:12=12:()=4分之()=()小数
4/15=( )/15=24/( )=( )/75=16/20=( )(填小数)
()÷20=15:()=1.25=()%
15:()=()÷20=1.25=()%
8/9-5/12= 7/15-3/20-1/20+3/15 =(7/15+3/15)-(3/20+1/20) =10/15-4/20 = 7/15-3/20-1/20+3/15 =(7/15+3/15)-(3/20+1/20) =10/15-4/20 = 是7/15-3/20-1/20+3/15 =(7/15+3/15)-(3/20+1/20)=10/15-4/20 = (简算)
( ):15=20:( )=4:5=28:( ) 括号里应添什么数?
15:20=()除以()=():()=():24=12:()=()%=()
():20=()分之8=0.8=()除15=()分之20
3:5=()20分之()=15:()=()除以55=()%
15:20=3:()=()分之()=()÷()=()%
0.6=15/()=()/15=()÷10=()折0.5=()/()=()÷40=()%4/5=()% 7/10=()% 3/20=()%
( )/4=?分之20=8分之5=64分之40=15/( )
简便方法计算15×(4+20)=
简便方法计算15×(4+20)=
15%=() 25%=() 1.6%=() 2%=() 20%=() 42%=()改成分数