va rog pana maine trebuie rezolvat!
Materie : Algebra
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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