CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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