CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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