Răspuns :
a) 4+5=9
b) 3-2-0=1
c)9-10+2×2= -1+4=3
d)-(5+4)+2×6=-9+12=3
e) 7-8+2(1-3)= -1+2×(-2)= -1-4=-5
f)2×10:4+2= 20:4+2=5+2=7
g)8:(4-6)= 8:(-2)=-4
b) 3-2-0=1
c)9-10+2×2= -1+4=3
d)-(5+4)+2×6=-9+12=3
e) 7-8+2(1-3)= -1+2×(-2)= -1-4=-5
f)2×10:4+2= 20:4+2=5+2=7
g)8:(4-6)= 8:(-2)=-4