Question

问题见补充图图片怎么插不了。

Answer 1

=1/{2-1/[3-1/(19/5)]}

=1/[2-1/(3-5/19)]

=1/[2-1/(52/19)]

=1/(2-19/52)

=1/(85/52)

=1*52/85

=52/85（Please 选我吧）