3:4=(12)/16=21÷(28)=6+( )/8+64=75%
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3:4=(12)/16=21÷(28)=6+( )/8+64=75%
12÷()=4分之3=()÷12=():28=()填小数
16/3×7/6÷21/4=多少
0.875=( ):( )28:( )=21÷( )=( )%
0.875=( ):( )28:( )=21÷( )=( )%
13/11÷26= 5/8×5= 3/2÷2/3= 8/15×9/10= 5/8×4/15=9/10÷12/5= 21×3/35= 45÷9/5×2/81= 9×5/6÷5/12= 30÷2/3÷4/5= 5/9×11/3×1/2= 3/7÷7/13×14/9= 4/7×28÷1/10=
()÷4=37.5%=()分之21=():16
①用简便方法计算,②算一算,③找规律填数①(5/6+4/5)×30 7/12×3/28×16/21 ② 81÷9/14= 3/4÷12== = 8/27÷9= 8/15÷4/5== = 1÷3/8== = 9/11÷9/12=③ 、(1)4/5,2/5,1/5,(),1/20,(),();(2)2/3,1,3/2,9/4,(),
12/16=3/4=9:12=( )/28=( ):32
12/16=3/4=9:12=( )/28=( ):32
()%=3∶4=24/32=()÷12=()∶(4+16)
3/4=( ):12=( )%=( )÷28
21:56=8分之3=12÷()=()
12÷( ? )=4×5-16
4÷几=几分之16=28÷几=0.8=百分之几
X÷3+21×4=18
4÷5=15分之( )=( )分之28=12÷( )=( )[小数]
( )÷8 = 12/16 = 3/( ) = ( )