warikiru

Godan Verb (ru)

1. to find a clear solution; to come to a clean decision; to give a clear explanation; to reason out; to conclude; to be pragmatic; to be practical

Transitive
Godan Verb (ru)

2. to divide exactly (without remainder); to divide evenly

Transitive
きゅう れい約数 やくすうのうち、9 きゅうでわり れない かず なん あるでしょうか。
kyūjūno yakusūno uchi kyūde warikirenai kazuwa nanko arudeshōka.
Among the divisors of 90, how many numbers are not divisible by 9?
Other forms: