3÷4=12分之( )=12÷( )=( )分之18=(  )(填小数)2:( )=( )分之14=( ):49=7分之2=8:(

问题描述:

3÷4=12分之( )=12÷( )=( )分之18=(  )(填小数)
2:( )=( )分之14=( ):49=7分之2=8:(

3÷4=12分之(9 )=12÷(16 )=(24 )分之18=(0.75  )
2:(7 )=(4 )分之14=( 14):49=7分之2=8:(28 )

3÷4=12分之( 9)=12÷( 16)=(24 )分之18=( 0.75 )
2:( 7 )=( 49 )分之14=( 14 ):49=7分之2=8:( 28 )