[tex](7 - 7 \times \frac{1}{6} \times \frac{1}{7} ) \times \frac{6}{41} = \\ \\ = (7 - \frac{7}{6} \times \frac{1}{7} ) \times \frac{6}{41} = \\ \\ = (7 - \frac{7 \times 1}{6 \times 7} ) \times \frac{6}{41} = \\ \\ = ( {}^{42)} 7 - \frac{7}{42} ) \times \frac{6}{41} = \\ \\ = \frac{294 - 7}{42} \times \frac{6}{41} = \\ \\ = \frac{287}{42} \times \frac{6}{41} = \\ = vezi \: poza \: [/tex]
(simplificam prin taiere )
[tex] = \frac{7}{7} = \boxed{ 1}[/tex]
…ᘛ⁐̤ᕐᐷฅ^•ﻌ•^ฅฅ^•ﻌ•^ฅ
