Question

Calcule:
A)-7+3
B)-7+(-8)
C)5-(-10)
D)(-10-7)-(8
E)(12+3)-(5-8)
F)17+3-(-4)

Answer 1

a) - 7 + 3 = - 4
b) - 7 + (- 8) = - 7 - 8 = - 15
c) 5 - (- 10) = 5 + 10 = 15
d) (- 10 - 7) - 8 = - 17 - 8 = - 25
e) (12 + 3) - (5 - 8) = 15 - (- 3) = 15 + 3 = 18
f) 17 + 3 - (- 4) = 20 + 4 = 24

Answer 2

A)-7+3
-4

B)-7+(-8)
-7-8
-15

C)5-(-10)
5+10
15

D)(-10-7)-(8
-17-8
-25

E)(12+3)-(5-8)
15-(-3)
18

F)17+3-(-4)
20+4
24