CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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