CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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