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a supra b = 2 supra 5, cum aflu a si b?

Răspuns :

[tex] \frac{a}{b} = \frac{2}{5} =\ \textgreater \ 2b=5a [/tex]
de aici il poti determina pe b si =>b=5a/2

[tex] \frac{a}{b} = \frac{2}{5} [/tex]

[tex]a = \frac{2 \times b}{5} [/tex]

[tex]a = \frac{2b}{5} [/tex]

[tex]b = \frac{5 \times a}{2} [/tex]

[tex]b = \frac{5a}{2} [/tex]