CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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