Question

4) Calcule.
zoon onion
a) +8 + 7
d)-2-8
b) 9+3
e)-9 - 12
c)-10 + 5
1 -8 +8​

Answer 1

a) +8 + 7

8 + 7

= 15

d) -2-8 = -10

b) 9+3 = 12

e) -9 - 12

-(9 + 12)

= -21

c) -10 + 5 = -5

f) -8 + 8 = 0