CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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