Răspuns:
a)-5(-15+14-27)
=-5*(-28)
=140
b)(30-7)*(-10+12)
=23*2=46
c) -6-(-20+1)*(-1+6)
=-6*(-19)*5
=570
d) (-9-2+7-2)=-11+5=-6
e) -9-12-0-810
= -831
