Question

me ajudem pelo amor de cristo

Answer 1

a)
2/3 + (4/5 - 1/4)
2/3 + 11/20
73/60

b)
2 + (2/3 - 1/3 + 5/3)
2 + 2
4

c)
1 + (10/4 + 2/7) - 1/2
1 + 39/14 - 1/2
23/7

d)
(2- 2/3) + (1/3 - 1/6)
4/3 + 1/6
3/2

ESPERO TER AJUDADO!!!