Răspuns :
4/3 = x/6 ==> (conform proprietatii fundamentale a proportiilor) ca:
x = (4*6)/3 = 24/3=8;
deci, (x+4)/4 = (8+4)/4 = 12/4 = 3
:D
x = (4*6)/3 = 24/3=8;
deci, (x+4)/4 = (8+4)/4 = 12/4 = 3
:D