割り切る

verb (godan)わりきる · warikiru

1. Englishto find a clear solution; to come to a clean decision; to give a clear explanation; to reason out

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

   • ９０の約数のうち、９でわり切れない数は何個あるでしょうか。Among the divisors of 90, how many numbers are not divisible by 9?

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)