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[tex] - \frac{1}{25} \div ( - \frac{1}{5} ) + \frac{3}{5} \times \frac{1}{6} - 2[/tex]


Răspuns :

= 1/5 + 1/10 - 2 = 2/10 + 1/10 - 20/10 = - 17/10 = - 1,7