Question

Calcule

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

Answer 1

Resposta:

a =4

b= 1

c= -11

d=3

e= -5

f=0

g=-13

h=11

i=2

j=1

k=0

l=-5