众神快来帮我填个空、小学数学题!4 = ( )/( ) = 12/( ) = ( )/5 = 28/( )5/6 = ( )/12_数学解答

众神快来帮我填个空、小学数学题!
4 = ( )/( ) = 12/( ) = ( )/5 = 28/( )
5/6 = ( )/12 = 15/( ) =75/( ) = ( )/72

人气：181 ℃　时间：2020-06-15 15:47:53

解答

4/1=12/3=20/5=28/7
5/6=10/12=15/18=75/90=60/72