CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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