CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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