Question

desfaceti parantezele, apoi efectuați..
Va roog, dau coroana..​

Answer 1

a) - 7-3-3+1=-10-3+1=-13+1=-12
b) - 4+2+9-7=-2+9-7=0
c) - 3+1-6+3=-2-6+3=-8+3=-5
d) 8+3-5-2+2=11-5-2+2=6
e)-6-9+3-1+1=-15+3-1+1=-12
:)