15 + ____ = 20 20 + ____ = 24 20 + ____ = 28 15 + ____ =21 19 + ____ = 26 10 + ____ = 20 11 + ____ = 20 6 + ____ = 14 ____ + 7 = 13 14 + ____ = 23

Leaderboard

Visual style

Options

Switch template

Continue editing: ?