CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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