10 + 20 - 30, 20 + 30 - 50, 80 + 10 - 90, 40 + 40 - 80, 30 + 30 - 60, 20 + 40 - 60, 27 + 40 - 67, 33 + 20 - 53, 45 + 10 - 55, 18 + 40 - 58, 24 + 30 - 54,

suma decenas

by
Print
Embed

Leaderboard

Flash cards is an open-ended template. It does not generate scores for a leaderboard.

Visual style

Options

Switch template

Continue editing: ?