おう数字 すうじ集合 しゅうごうじゃなかったです
ō sūjishūgōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 欧数字集合

1. Wasn't a set of European numbers.; Wasn't a collection of European digits.

Past/Perfective
Negative
Polite
Casual Register
Computing