Răspuns:
1
a) -2-5-3×(-4)=-2-5+12=-7+12=5
b) -4+3×(-5)-(-7)=-4(-15)+7=-19+7=-12
c) 6-2×(-3)-(+8)=6+6-8=12-8=4
d) -5-4×(-2)-4=-5+8-4=3-4=-1
e) 8-3x(-1)-9=8+3-9=11-9=2
f) -4-(-5)-2×(-3)=-4+5+6=1+6=7