Question 118
Does there exist a positive integer $n$ satisfying the following condition?
Condition: For an arbitrary rational number $r$, there exist an integer $b$ and nonzero integers $a_1, a_2, \dots, a_n$ such that
$$
r = b + \frac{1}{a_1} + \dots + \frac{1}{a_n}
$$
Condition: For an arbitrary rational number $r$, there exist an integer $b$ and nonzero integers $a_1, a_2, \dots, a_n$ such that
$$
r = b + \frac{1}{a_1} + \dots + \frac{1}{a_n}
$$