7*(120:40) - 21, (850-650):5 - 40, 500-15*2 - 470, (540+120):6 - 110, 12*4:6 - 8, 17*2 - 34, 32*2 - 64,

Устный счет. Открытый урок

Leaderboard

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

Visual style

Options

Switch template

Continue editing: ?