CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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