Determinati numarul natural x pentru care fractiile sunt egale;a)2 supra 3 =x supra9
b)5 supra x =10 supra 20
c)x supra8 = 1 supra 2
d)x+1 supra 3 = 8 supra 6
e)5 supra x+1 =1 supra2
f)1 supra 5 =3 supra 2x +1
g)10 supra 5 =x-3 supra 2
h)2 supra 2x+3 =2 supra 9
i)x+2 supra x+10 =1 supra 3
j)1 supra 2x+1 =1 supra x+3
k)3x+2 supra 5 =x+3 supra 2
f)x+4 supra x+2 =3 supra 2
urgent va rog multumesc mult
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