区分 くぶん求積 きゅうせき ほうじゃなかったです
kubunkyūsekihōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 区分求積法

1. Wasn't the method of exhaustion.; Didn't use the method of exhaustion.

Past/Perfective
Negative
Polite
Casual Register
Mathematics