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加減 かげん作用 さよう素 そでした
kagensa yōsodeshita

敬
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Noun
, 
Desu Copula

The polite past form of 加減作用素

1. Was an operator of addition and subtraction.; Was a differential operator.

Past/Perfective
, 
Polite
, 
Computing

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加減作用素でした

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