Răspuns:
1. a) (-2)+5-12-8=3-20= -17
b) 7-15+18-25=-8+18-25= 10-25=-15
c) -6*(-4)*(-5)= -6*20= -120
d) -60: (-6):(-5)= 10:(-5)= -2
e) (-2)⁵= (-2)*(-2)*(-2) *(-2)²= 4*(-2) *4=-8*4= -32
2.a) -8+6+9-10=-2 +9-10= 7-10= -3 (A)
b) -1+2-3+4-5+6= 1-3+4-5+6=-2+4+6-5=2-5+6=-3+6= 3 (F)
c) (-5)*12:(-4)= -60:(-4)= 15 (A)
d) (-4)³:(-2)²= -4*(-4)²: 4=-1 *16= -16 (F)
