Question

va rog pana maine trebuie rezolvat!

Materie : Algebra​

Answer 1

a)

a/b : 7/8= a/b * 8/7= 1,25 * 8/7= 10/7

b)

a/b : (-5)= 1,25 : (-5)=(-0,25)

c)

(-5*a):b/2=(-5*a)*2/b=-10*a/b=10*1,25=12,5