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Xori4supra5=-1supra3

Răspuns :

X•4/5=-1/3 X=-1/3:4/5 X=-1/3•5/4 X=-5/12 X=-0,41(6) Sper ca te-am ajutat!
X•4/5=-1/3 X=-1/3:4/5 X=-1/3•5/4 X=-5/12 X=-0,41(6)