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Arvutamine 20 piires

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