subtraction
英 [səb'trækʃn]
美 [səb'trækʃən]
英語の語源
- subtraction (n.)
- c. 1400, "withdrawal, removal," from Late Latin subtractionem (nominative subtractio) "a drawing back, taking away," from past participle stem of Latin subtrahere "take away, draw off, draw from below," from sub "from under" (see sub-) + trahere "to pull, draw" (see tract (n.1)). The mathematical sense is attested from early 15c.
Tou most know tat subtraccion is drawynge of one nowmber oute of anoter nomber. ["The Crafte of Nombrynge," c. 1425]
例文
- 1. I looked at what he 'd given me and did a quick subtraction .
- 私は彼がくれたものを見て、すばやく引き算をしました。
- 2.She 's ready to learn simple addition and subtraction .
- 彼女は簡単な加減算を学ぶことができるようになった。
- 3.children learning addition and subtraction
- プラスマイナスを学習する児童
- 4.The difference is found by subtraction .
- 減算を用いて差額を導出する.
- 5.The plus sign is used in addition and the minus is used in subtraction .
- プラス記号を加算に使用します。マイナス記号は減算に使用されます。