Zero Kata

Speel nul-kata, los vergelijkingen en elementaire wiskundige problemen op.

Zero - kata, Tic-tac-toe, noughts and crosses, or Xs and Os is a game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row is the winner.