CHRONO

-INF s.

Calculer des expressions comportant des parenthèses.

CHRONO

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