( / 20)= 0.8 =(5 / )= 16 ÷( ) = (30 / )
40÷()=():20=0.8=()%
( )分之20=0.8=5分之( )=16除( )=30分之( ) 这题怎么做
():20=0.8=()÷15=()%
()÷20=35/()=5/3=15:30=():60
20÷( )=15分之( )=0.8=( )% =( ):( )
():20=6/()=3/5=27÷()=3+()/5+30 把9/16比0.75化成最简整数比
25分之20=30分之几=几分之16=12÷()=()(小数)
( ):5=0.8=( )/20=( )除以20=( )%
几分之20=0.8=五分之几=16÷()=三十分之几 2.把4
3÷()=5x()=5:()=1.25=() - - 4 16
3÷()=24,3÷()=0.8
20除以( )=( )%=0.8=( ):20