Salut :)
9 + 9 × 9 - 2 × 2 × 2 × 10 - 50 =
9 + 81 - 2 × 2 × 2 × 10 - 50 =
9 + 81 - 4 × 2 × 10 - 50 =
9 + 81 - 8 × 10 - 50 =
9 + 81 - 80 - 50 =
9 + 81 - 30 =
90 - 30 =
60
Succes :)