20 + 30 = - 50, 40 + 40 = - 80, 70 + 20 = - 90, 20 + 80 = - 100, 50 + 20 = - 70, 60 - 30 = - 30, 90 - 40 = - 50, 70 - 50 = - 20, 100 - 90 = - 10, 80 - 50 = - 30,

Zbrajanje i oduzimanje desetica

Leaderboard

Visual style

Options

Switch template

Continue editing: ?