最終更新日：2023/09/03
The daughter nuclide is more stable than the parent nuclide.
正解を見る
The daughter nuclide is more stable than the parent nuclide.
編集履歴（0）
The daughter nuclide is more stable than the parent nuclide.
The daughter nuclide is more stable than the parent nuclide.
DiQt（ディクト）
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