Correcto: 120 + 20 = 140, 50+ 60 = 110, 1000 + 100 = 1100, 800 +200= 1000, 655+ 100 = 755, Incorrecto: 300 + 6 = 360, 200 + 100 = 30, 450 + 50 = 45, 590 + 10 = 610, 540 + 5 = 550,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?