CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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