Question

ayudenme porfa espero que se entienda

Answer 1

solucion
2-(-7)=2+7=9
5-(-5)=5+5=10
-10-(9)=-10-9=-19
12-(15)=12-15=-3
15-(-1)=15+1=16
9-(-6)=9+6=15
129-(355)=129-355=-226
59-(-389)=59+389=448
-2-(5)=-2-5=-7

saludos