the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks" 減じることの行為（全体から部分を取り去っている）。
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【下位】 a portion removed from the whole; "the government's weekly bite from my paycheck" 全体から取除かれる部分。
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an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one"; "four minus three equals one" 2つの数字の差を計算する演算。
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