x = a 0 + 1 a 1 + 1 a 2 + 1 a 3 + ⋯ {\displaystyle x=a_{0}+{\cfrac {1}{a_{1}+{\cfrac {1}{a_{2}+{\cfrac {1}{a_{3}+\,\cdots }}}}}}} Viết bình thường như sau:<math>x = a_0 + \frac{1}{a_1 + \frac{1}{a_2 + \frac{1}{a_3+\,\cdots}}} </math> x = a 0 + 1 a 1 + 1 a 2 + 1 a 3 + ⋯ {\displaystyle x=a_{0}+{\frac {1}{a_{1}+{\frac {1}{a_{2}+{\frac {1}{a_{3}+\,\cdots }}}}}}}
