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Sentence
Span Details
数学
mathematicsnoun
で
location, means, or scope markergrammar
平面
plane; level surface; flat surfacenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
方程式
equation; formula; set method; recipenoun
を
object markergrammar
学ん
learn; study; take lessons in-> 学ぶgodan verb
だ。
past tense or completed action-> たgrammar