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Daca x/y=1/2 si y/z=3/4, atunci aflati x/z si 3x/z

DAU COROANA


Răspuns :

x/y=1/2 deci y=2x inlocuim in a doua relatie si y/z devine 2x/z=3/4 deci x/z=3/8 si 3x/z=3×3/8=9/8