CHRONO

-INF s.

Calculer des expressions comportant des parenthèses.

CHRONO

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