最終更新日：2024/08/03
A kind of weighing scale with two identical horizontal beams attached, one directly above the other, to a vertical column.
正解を見る
Roberval balance
編集履歴（0）
A kind of weighing scale with two identical horizontal beams attached, one directly above the other, to a vertical column.
Roberval balance
DiQt（ディクト）
無料
★★★★★★★★★★
