14-6=, 12-3=, 10-8=, 18-7=, 18-8=, 18-9=, 16-6=, 16-7=, 14-3=, 14-7=, 6+____=10, 6+____=17, 5+_____=12, 6+_____=19, 9+_____=14, 8+____=20, 7+____=20.

Operaciones mentales 1

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?