望遠 ぼうえん きょう級数 きゅうすうじゃありませんでした
bōenkyōkyū sūja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 望遠鏡級数

1. Was not a telescopic series.; Was not of telescopic class.

Past/Perfective
Negative
Polite
Terminal Form
Mathematics