Question

a) (+3) + (+21= I=
b)(+5) + (+1)
c) (+7)+(+5)=
d)(+2) + (+8)=
e) (+9) + (+4)=
1) (+6) + (+5)=
g) (-3) + (-2)=
h)(-5) + (-15
1) (-7) + (-5)
1) (-4) + (-2)
k) (-8) + (-6) 1) (-5) + (-6)=​

Answer 1

a) não entendi

b)(+5)+(+1) g)(-3)+(2)

+5 +1 -3 +2

6= -1=

c)(+7)+(+5) h)(-5)+(-15)

+7 +5 -5 -15

+12= -20=

d)(+2)+(+8) i)(-7)+(-5)

+2 +8 -7 -5

+10= -12=

e)(+9)+(+4) j)(-4)+(-2)

+9 +4 -4 -2

+13= -6=

f)(+6)+(+5) k) Não entendi

+6 +5

+11=