Question

Resuelve paso a paso y agrupando • Ejemplo paso a paso: 7 – 5 – 8 – 4 = 2 – 8 – 4 = –6 – 4 = –10 •
Ejemplo agrupando: 7 – 5 – 8 – 4 = 7 – 17 = –10
AGRUPANDO POSITIVOS/NEGATIVOS
a) 5 + 7 – 2 – 4 =
b) 2 – 6 + 4 – 9 =
c) 9 – 6 – 7 + 2 =
d) –4 – 5 + 3 + 8 =
e) –8 + 2 – 7 + 6 =
f) –1 + 5 + 6 – 7 =
PASO A PASO
a) 5 + 7 – 2 – 4 =
b) 2 – 6 + 4 – 9 =
c) 9 – 6 – 7 + 2 =
d) –4 – 5 + 3 + 8 =
e) –8 + 2 – 7 + 6 =
f) –1 + 5 + 6 – 7 =