Question

2) Efetue as adições abaixo, aplicando a Regra acima:

a) (–3) + (+6) = f) (+25) + (–7) = k) (+5) + (–23) =

b) (+2) + (–5) = g) (–17) + (+36) = l) (+7) + (–4) =

c) (+5) + (–4) = h) (–21) + (+16) = m) (–21) + (+13) =

d) (–5) + (+9) = i) (–4) + (+8) = n) (+28) + (–34) =

e) (+17) + (–12) = j) (+12) + (–27) = o) (–7) + (+4) =​

Answer 1

Explicação passo-a-passo:

a) -3+6= +3

b) 2-5= -3

c) 5-4= +1

d) -5+9= +4

e) 17-12= +5

f) 25-7= +18

g) -17+36= +19

h) -21+16= -5

i) -4+8= +4

j) 12-27= -15

k) 5-23= -18

l) 7-4= +3

m) -21+13= -8

n) 28-34= -6

o) -7+4= -3