Study

conver a 2

  •   0%
  •  0     0     0

      Back   Restart
  • 10-3= 
    7
  • 5-3=
    2
  • 7+2=
    9
  • 4+1=
    5
  •   8+1=
    9
  • 8-1=    
    7
  • 2+2 =
    4
  • 6-5=
    1
  • 9-9=  
    0
  • 3+2=    
    5
    • Your experience on this site will be improved by allowing cookies.