Study

Subtraction from 20

  •   0%
  •  0     0     0

  • 20 - 18 =
    2
  • 20 - 5 =
    15
  • 20 - 11 =
    9
  • 20 - 10 =
    10
  • 20 - 16 =
    4
  • 20 - 19 =
    1
  • 20 - 12 =
    8
  • 20 - 15 =
    5
  • 20 - 4 =
    16
  • 20 - 17 =
    3
  • 20 - 6=
    14
  • 20 - 1 =
    19
  • 20 - 9 =
    11
  • 20 - 7 =
    13
  • 20 - 14 =
    6
  • 20 - 13 =
    7
  • 20 - 8 =
    12
  • 20 - 20 =
    0