Question

1. Efetue as adições.
a)(+2)+(+3) =

g) (+7)+(+2)+(+5) =

b)_(+1)+(+8)=

h) (+4) + (+1) + (48) =

c) (+3)+(+11) =

D(+3) + (+8) + (+15) =

D4-8) + (-1) + (-2) =

d =1)+(-2) =

k) (-9) + (-4)+(-3)=

e) (-3) + (-2) =

1. (-10)+(-20) + (-30)=

f) 0+(-2) =​

Answer 1

Resposta:

a) + 5

g) +14

b) -7

h) +53

c) +12

d) +26

D) -1

d) +3

k) -16

e) +5

1) -60

f) -2