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simplifica fractia 7a\5a?

Răspuns :

[tex] \frac{7a}{5a} [/tex] simplificam cu "a" ==>[tex] \frac{7}{5} [/tex]
[tex] \frac{7a}{5a}= \frac{7a\div a}{5a\div a}= \boxed {\frac{7}{5}}=\boxed { 1 \frac{2}{5} }[/tex]