Question

Calcule a) ( +8 ) + (-7) +(-3 ) -2 = b) (+2 ) - (+5 ) -(+3) -6 = c) (-3 ) + ( - 6 ) - ( +10 ) - 19 = d) ( + 10 ) -( -20 ) - ( +30 ) 0 = e) ( -4) - ( - 8 ) - ( -8 ) - (-8) - ( -5) + 9 =

Answer 1

a) ( +8 ) + (-7) +(-3 ) -2 =

+8 -7 -3 -2

+8 -12

-4

b) (+2 ) - (+5 ) -(+3) -6 =

+2 -5 -3 =

+2 -8

-6

c) (-3 ) + ( - 6 ) - ( +10 ) - 19 =

-3 -6 -10 -19

-9 -29

-38

d) ( + 10 ) -( -20 ) - ( +30 ) + 0 =

+10 +20 -30.0 =

+30 + 30

60

e) ( -4) - ( - 8 ) - ( -8 ) - (-8) - ( -5) + 9 =

-4 +8 +8 +8 +5 +9=

-4 +24 +14

20 + 14

34