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2/3*12/15-4/10 ajutor

Răspuns :

[tex] \frac{2}{3}* \frac{12}{15}- \frac{4}{10}= \frac{24}{45}- \frac{4}{10}= \frac{240-180}{450}= \frac{60}{450}= \frac{10}{75} \\ simplificarea \\ prin \\ 6[/tex]