Question

1) Resolva as expressões:
a) 13+11
b) –3–4
c) –5+7
d) 2–8
e) –8+8
f) –9+2
g) 7–3
h) –3–4–6–7–10
i) 4+5+7–3–9–8
j) –1+4–2+5–3+6
k) –(–3)+( –7)
l) –7–(–9)
m) –8–(+10)
n) –(–2) –(–3)+(+5) –(–9)
o) (–2+7) –(–5+9)
p) –(–3+4) –(–5+6)
q) –(–2+7) – (–2+(–3–1)) –8
r) –3–2–(–4+2–(3–1–(+5–6)+2) –5) –6

Answer 1

Resposta:

a) 13+11=24

b) –3–4= 7

c) –5+7=2

d) 2–8=6

e) –8+8=0

f) –9+2= –7

g) 7–3=4

Explicação passo-a-passo:

– com – e igual a= +

+ com – e igual a = –

+ com + e igual a = +

então vc soma e no finalzinho terá uma resposta