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am test la mate, am mare nevoie de o nota buna.

Am Test La Mate Am Mare Nevoie De O Nota Buna class=

Răspuns :

recapituleaza tot ce ai facut si vei lua o nata buna



III)

[tex]\it \dfrac{log_5 x+ log_5 \sqrt x}{log_7 x+ log_7 \sqrt x} = \dfrac{log_5 x\sqrt x}{log_7 x \sqrt x} = \dfrac{log_5 x\sqrt x}{\dfrac{log_5 x \sqrt x}{log_57}} = log_5 x\sqrt x \cdot \dfrac{log_5 7}{log_5x \sqrt x} =log_5 7 [/tex]

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