Question

calcule:
a)(+3)+(+2)=
b)(+5)+(+1)=
c)(+7)+(+5)=
d)(+2)+(+8)=
e)(+9)+(+4)=
f)(+6)+(+5)=
g)(-3)+(-2)=
h)(-5)+(-1)=
i)(-7)+(-5)=
j)(-4)+(-7)=
k)(-8)+(-6)=
l)(-5)+(-6)=
​

Answer 1

Resposta:

calcule:

a)(+3)+(+2)= +5

b)(+5)+(+1)= +6

c)(+7)+(+5)= +12

d)(+2)+(+8)= +10

e)(+9)+(+4)= +13

f)(+6)+(+5)= +11

g)(-3)+(-2)= -1

h)(-5)+(-1)= -4

i)(-7)+(-5)=-2

j)(-4)+(-7)=-3

k)(-8)+(-6)=-2

l)(-5)+(-6)=-1