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有効 ゆうこう数字 すうじじゃなかった
yūkōsūjijanakatta

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Noun
, 
Da Copula

The past negative form of 有効数字

1. Wasn't significant.; Wasn't effective.; Wasn't valid.

Past/Perfective
, 
Negative
, 
Mathematics

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有効数字じゃなかった

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