20 - 10+10=?, 19 - 20-1+?, 18 - 10+8=?, 17 - 14+3=?, 16 - 8+8=?, 15 - 10+5=?, 14 - 11+3=?, 13 - 16-3=?, 12 - 6+6=?, 11 - 20-9=?, 10 - 20-10=?, 9 - 5+4=?, 8 - 4+4=?, 7 - 6+1=?, 6 - 10-4=?, 5 - 10-5=?, 3 - 9-6=?, 2 - 1+1=?, 1 - 20-19=?, 0 - 19-19=?,

fast facts +/-

Uban pa

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?