Question

6. Calcule:
a) +56 - 34
b) + 57 – 31
c) – 32 + 25
d) - 23 + 12
e) - 12 - 13
f) +23+21​

Answer 1

Resposta:

a 56-34=22

b 57-31=26

c 32+25=57

d 23+12=35

E 12-13=01

f 23+21=41