CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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