Vocabulary
Form
to find a clear solution; to come to a clean decision; to give a clear explanation; to reason out; to conclude; to be pragmatic
verb
vt
freq #40
Example sentences
９０の約数（やくすう）のうち、９でわり切（き）れない数（かず）は何個（なんこ）あるでしょうか。
Among the divisors of 90, how many numbers are not divisible by 9?