CHRONO

10 s.

Calculer des expressions comportant des parenthèses.

CHRONO

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