Question

Calcule as adiçoes e subtraçoes.





a) +5 + 3 =

b) +1 + 4 =

c) -4 – 2 =

d) -3 – 1 =

e) +6 + 9 =

f) +10 + 7 =

g) -8 -12 =

h) -4 -15 =

i) -10 – 15 =

j) +5 +18 =​

Answer 1

Resposta:

a) +8

b)+5

c)-6

d)-4

e)+15

f)+17

g)-20

h)-19

i)-25

j)+23