Question

1. (–1) (+5) + (–3) (–2)

2. (+20) (–2) + (–4) (+3)

3. (–6) (+4) + (+1) (+5)

4. (+2) (–1) – (–10) (+2)

5. (–7) (+2) + (–3) (+1)

6. (+20) (–2) + (–4) (+3)7. (–1) (+1) (–2) – (+7) (+3) (–1) – (+2) (–5)

8. (–15) (+4) –1

9. (+5) (–2) (–1) – (–1) (–3) – (–2) (+5) (–1)

10. (–6) (–2) (+1) + (–2)​

Answer 1

Respuesta:

1. 1

2. -52

3. -19

4. 18

5. -11

6. me da pereza hacerla

8. -61

9. pereza

10. 10