CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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