Question

Calcule

A) (+27) + (+13) + (-28)
B) (+50) + (-30) + (-12)
C) (-41) + (-75) + (-47)
D) (-15) + (+20) + (+35)

Answer 1

a) +27+13-28
40-28=
+12
b)+50-30-12
+50-42=
+8
c)-41-75-47=
-163
d)-15+20+35
-15+55=
+40

Answer 2

A) (+27) + (+13) + (-28)
27+13-28=12

B) (+50) + (-30) + (-12)
50-30-12=8

C) (-41) + (-75) + (-47)
-41-75-47=163

D) (-15) + (+20) + (+35)
-15+20+35=40