Question

Atividade de Matemática ME AJUDEM VALENDO 20 PONTOS a) (+3) • (+2) = b) (+8) • (+3) = c) (+7) • (+1) = d) (+8) • (–4) = e) (+1) • (–9) = f) (–8) • (+1) = g) (+10) • (+9) = h) (+1) • (+15) = i) (–4) • (+12) = j) (+3) • (+7) = k) (+3) • (–2) = l) (–4) • (+7) = m) (+2) • (+35) = n) (+21) • (–12) = a) (–4) • (–5) • (+2) = b) (– 7) . ( +3) . ( - 4) = c) (+9) • (–2) • (+5) =

Answer 1

Resposta:

6

24

7

-32

-9

-8

90

15

-48

21

-6

-28

70

-252

40

84

-90

Explicação passo-a-passo: