Question

1. (24 – 32 – 83) – (–15 –7 – 9) + (9 + 12 + 4) 2. 24 – { –12 –[ 2 – 6 –(4 + 20) +5] – 13 + 4} 3. – 6 + {– 25 – 3 – [– 17 + 6 +( 10 + 6) –2] – 2} 4. (–37 –4) – [ (13 + 7 + 15) – (2 – 8) +3] 5. 8 − (4 − 7) + {12 −4 − (5 − 7) − (4 + 5) }= 6. −(−1 − 2 − 3) − (5 − 5 + 4 + 6 + 8) = 7. (−1 + 2 − 9) − (5 − 5) − 4 + 5 = 8. (−1 − 9) − (5 − 4 + 6 + 8) − (8 − 7) = 9. −4 - {− (4 + 5) − (8 − 9) + 1 + 6 = 10. -25 – (-18 + 26 – 40) + (-58 + 70 – 200) – 6 = 11. -50 – {36 – [-38 + (25 – 50 + 4) – 9] + 12} – 40 = 12. 40 + (-9 + 18 +36 – 7) – ( -25 + 42 – 23) – 14 = 13. (+2) – (-9) – (-8) – (-8) 14. (+4) + (-7) – (+2) + (+1) 15. (+2) – (+8) + (-5) – (-3) –(+1)

Answer 1

Enseguida añado lo que falta.