Правильно: 7 + 11 = 18, 13 + 4 = 17, 16 – 3 = 13, 18 – 4 = 14, 11 + 9 = 20, 17 + 3 = 20, 20 – 4 = 16, 20 – 2 = 18, Неправильно: 18 – 8 = 13, 15 – 3 = 11, 13 + 3 = 17, 13 + 7 = 19, 20 – 5 = 14, 12 + 7 = 20,

Вычисления в пределах 20

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?