Question

3) Calcule mentalmente!
a) 6+ (+2) -
b) 5+ (+1) =
c) + (-9)=
d) -7 + (+5)=
e) -0,5+(-0,5)=
​

Answer 1

a) +8

b) +6

c) -9

d) -2

e) -1

Answer 2

A) 8
B) 6
C) -9
D) -2
E) 0