CHRONO

45 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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