CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

0 s.
(5 x 7) + 8 =
(8 - 3) x 9 =
(9 x 6) + 7 =
(4 + 5) - 6 =
(2 x 2) - 2 =
6 - (5 - 2) =
(1 x 2) + 4 =
5 + (4 x 4) =
8 + (6 x 7) =
(4 x 4) - 8 =
(7 x 8) + 6 =
5 x (2 + 3) =
(9 - 5) - 4 =
(5 - 4) x 1 =
(9 - 5) x 3 =
(4 x 8) - 7 =
(2 + 1) x 7 =
(4 x 8) - 8 =
(9 - 4) x 3 =
(2 x 1) + 7 =