区分 くぶん求積 きゅうせき ほうではありませんでした
kubunkyūsekihōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 区分求積法

1. Was not the method of exhaustion.; Was not the method of finding area.

Past/Perfective
Negative
Polite
Formal Register
Mathematics