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四 よん色 しょく問題 もんだいだろう
yonshokumondaidarō

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Noun
, 
Da Copula

Expresses probability ("probably…") of 四色問題

1. Probably the four-color problem.

Presumptive
, 
Conjecture
, 
Mathematics

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四色問題だろう

四色問題だろう【よんしょくもんだいだろう】 Activity

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