✏ [tex]3 - 1.(3) + \frac{1}{6} = 3 - \frac{13 - 1}{9} + \frac{1}{6} = 3 - \frac{ \not{12} }{ \not{9} } + \frac{1}{6} = 3 - \frac{4}{3} + \frac{1}{6} [/tex]
✏ [tex]18 - 8 + 1 = 10 + 1 = 11[/tex] ✔