CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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