Question

como se hacen
a) (+8) + (+2) + (–2) =
b) (–14) + (–7) + (–11)=
c) (–7) + (–2) + (+6) =
d) (–5) + (+2)=

Answer 1

Respuesta:

a) (+8)+(+2)+(–2)=

8+2–2=

10–2=

8

b) (–14)+(–7)+(–11)=

(–14)–7–11=

(–21)–11=

–32

c) (–7)+(–2)+(+6)=

(–7)–2+6=

(–9)+6=

–3

d) (–5)+(+2)=

(–5)+2=

–3