Question

gente me AJUDEM por favor​

Answer 1

Resposta:

a)-2/5+(-1/3)

-2/5-1/3

-6-5/15

-11/15

b)4-2×1/2+1/3

4-(1/2)+(1/2)+1/3

4-1/2+1/2+1/3

24-3+3+2/6

26/6

c)2,3+7,5-3,6-2,9

9,8-6,5

3,3