CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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