Question

19. Calcule as somas algébricas:
a) -36 + 28 + 37 - 34 =

b) - 100 +61 + 63 - 35 =

d) 100 + 112 - 75 - 170 + 28 - 45 =
C) + 81 - 71 + 69 + 111 - 56=

e) 87 – 126 - 119 - 72 + 106 – 61 + 66 =



f)6-(-4+1)=




g)17+(11-9-1)=


h)-3 (-10-17+1)=​

Answer 1

a) -5

b) -11

c) 134

d) -150

e) 119

f)9

g)18

h) 78

espero ter ajudado ^-^

Answer 2

a) -36 + 28 + 37 - 34= -5

b) - 100 +61 + 63 - 35 = -11

c) + 81 - 71 + 69 + 111 - 56 = 134

d) 100 + 112 - 75 - 170 + 28 - 45 = -50

e) 87 – 126 - 119 - 72 + 106 – 61 + 66 = -119

f)6-(-4+1) = 9

g)17+(11-9-1) = 18

h)-3 (-10-17+1) = 78