0.45=( )%=( ):( )=18÷( )
18/多少=0.45=多少:60=36÷多少=0.45
27÷()=()%=()分之()=0.45=18:()
18:( )=0.45=( ):20=( )除以40=( )百分号
先给20,0.63÷()=18分之()=0.45=():()=()%············ - - 分母是小数?
0.45X÷(X+16)=0.25 方程解法
0.45×12v÷1K欧=
( )÷( )=( ):40=27分之( )=0.45=( )%
0.45=9÷( )=( ):40=六十分之几=( )%
2.1-2.09=0.01,0.01×45=0.45,0.045÷0.45=0.1列成综合算式
0.45公顷=( )平方米.
18÷0.45 简算
0.45=几分之几=几比几=几分之18=百分之几