Urgent am test dau coeoana pana la 30

1) a
2) e
3) b
4) d
5) b
||)= (1/32 : 1/8 - 4.5/9) : 1/4
= (8/32 - 1/2) * 4
= 32/32 - 4/2 = 1-2 = -1