CHRONO

79 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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