Răspuns :
[tex]1 \ - \frac{1}{4} = \frac{4}{4} - \frac{1}{4} = \frac{3}{4} [/tex]
[tex] \\ = > \frac{3}{3} - \frac{2}{3} = \frac{1}{3} = 9 \\ = > 9 \times 3 = 27 = \frac{3}{3} [/tex]
[tex] = > 9 \times 2 = 18 = > 27 + 9 = 36[/tex]
R:36
[tex]1 \ - \frac{1}{4} = \frac{4}{4} - \frac{1}{4} = \frac{3}{4} [/tex]
[tex] \\ = > \frac{3}{3} - \frac{2}{3} = \frac{1}{3} = 9 \\ = > 9 \times 3 = 27 = \frac{3}{3} [/tex]
[tex] = > 9 \times 2 = 18 = > 27 + 9 = 36[/tex]
R:36