CHRONO

38 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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