Question

4)Efetue as adições algébricas:. a)+4+9=. b)+6-12=. c)-5-13=. d)-16+7=. e)+14-12-7+2=. f)(+4)-(-2)+(-13)-(+18)=. g)(-5-7)-(+12-3)=. h)-(-5)+(-7+12)-(+6)-4=​

Answer 1

Resposta:

a) 13

b) -6

c) -18

d) -9

e) -3

f) - 23

g) -21

h) - 10