Les nombres relatifs

Calcule.

1. A = (−5) + (−8)
   A =
2. B = (−8) + 14
   B =
3. C = (−12) + 14 + (−25)
   C =
4. D = 64 + (−32) + (−50)
   D =
5. E = (−72) + 50 − (−77)
   E =

Calcule.

1. A = (−6) × 3
   A =
2. B = (−2) × (−9)
   B =
3. C = (−24) ÷ 2
   C =
4. D = (−55) ÷ (−5)
   D =
5. E = (−4) × 11 ÷ (−22)
   E =