70 ejercicios con numeros enteros?

1)( + 2) + (–3) + ( + 3) + (–5) + (–2) = –52)(–2) + (–7) + ( + 3) + (–4) + (–11) = –213)(–7) –(– 4) + (–5) + (–10) + (– 2) – (–13) = –74)( + 8)–(–4)–( + 4)–( + 10)–(–5)–(–8) = 115)–2 + 8 –8 + 10 –20 + 5 – 7 = –146)9–7 + 11–20 + 12–23 + 5–5–12 = –307)3– { 4 – 7 – [–5–7 + (6 – 7 + 5 ) ] } + 8 = 68)5 + [–5 + 10–{2–9 + (–8 + 2)}] – 6 + 7 = 249)– [ –{ – (–6 + 5 – 10 + 3 –15 ) }] = 2310)– { – [ – ( –20 + 15 –7) – 8]– 6 } + 7–(–3) = 2011)( + 12) x (–15) = –18012)(–80) x (–3) = –24013)(– 5)x( + 8)x(–7)x(–2) = –56014)(– 216) x ( + 32) = –6.

91215)(–98.

745) x(–756) = 74.

651. 22016)(–450)¸(–9) = 5017)( + 68.

745)¸(–5) = 13.

74918)(–6.

913. 536)¸(–56) = 123.

45619)( + 1.

584. 312)¸( + 789) = 2.

00820)(92.

643. 240)¸(–908) = 102.

030.