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The following outline is provided as an overview of and topical guide to arithmetic: Arithmetic – though considered the oldest and most elementary branch of mathematics that is used by almost everyone, arithmetic is an important part of many higher level mathematics courses, and as you will see in the following sections, it actually encompasses a wide variety of material. It is for tasks ranging from simple day-to-day counting to advanced science and business calculations. It involves the study of quantity, especially as the result of operations that combine numbers. In common usage, it refers to the simpler properties when using the traditional operations of addition, subtraction, multiplication and division with smaller values of numbers. thumbnail ==What ''type'' of thing is arithmetic?== Arithmetic can be described as all of the following: It can be viewed as a branch of science And if you look for deeply, it is a branch of formal science because formal science includes all of the branch of mathematics 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Outline of arithmetic」の詳細全文を読む スポンサード リンク
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