Question

a) (+12) – (+7)=
b) (–15) – (–18)=
c) (+6) – (–9)=
d) (–12) – (+5)=
e) (+13) – (+9)=
f) (–6) – (–15)=

3) Calcule as multiplicações. a) (+5) . (+6)=______
b) (–4) . (–8)=______
c) (–7) . (+9)=______
d) (+9) . (–8)=______
e) (–3) . (–6)=______
f) (+7) . (+6)=______

4) Calcule as divisões.
a) (+25) : (+5)=______
b) (–32) : (–8)=______
c) (–48) : (+6)=______
d) (+45) : (–9)=______
e) (+16) : (+2)=______
f) (–24) : (–4)=______​

Answer 1

Resposta:

Explicação passo-a-passo:

a) (+12) – (+7)= 5

b) (–15) – (–18)= 3

c) (+6) – (–9)= 15

d) (–12) – (+5)= -17

e) (+13) – (+9)= 4

f) (–6) – (–15)= 9

3) Calcule as multiplicações. a) (+5) . (+6)= 30______

b) (–4) . (–8)=32______

c) (–7) . (+9)=-63______

d) (+9) . (–8)=-72______

e) (–3) . (–6)=18______

f) (+7) . (+6)=42______

4) Calcule as divisões.

a) (+25) : (+5)=5______

b) (–32) : (–8)=4______

c) (–48) : (+6)=-8______

d) (+45) : (–9)=-5______

e) (+16) : (+2)=8______

f) (–24) : (–4)=6______​