Bonjour
Calculer les expressions suivantes sans utiliser la calculatrice. ;)
1) A= (+3)+(+5)+(-6)
2) B= -3+(4-5+2)
3) C = (+6) + (−11) + (+2) + (−5)
4) D = (−2) + (+6) + (−14) + (+7)
5) E = (+12) + (−4) + (−8) + (+7) + (−11)
6) F = (−15) + (+5) + (−9) + (−2) + (+4)