Question

4.resuelve las siguientes operaciones
a.5+(-6)+12+(-5)
b.(-15+23+(-8)+(-4)
c.(-1)+3+(-4)-(-13)
d.[(-13-14)-(-9-12)]+(-6)
e.[(19-20)+(14-15)]-[(-7-13)+12]

Answer 1

a) 5-6+12-5= 6
b) -15+23-8-4= -4
c)-1+3-4+13=11
d)-27+21-6=-12
e)-2+8=6