Khác biệt giữa bản sửa đổi của “Chủ đề:Số học sơ cấp”
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n moved Subject:Introductory Mathematics to Subject:Elementary arithmetic: Title casing and more accurate name. |
n Fixed code, added Wikipedia link template, expanded description. |
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{{Wikipedia|Elementary arithmetic}}< [[Subject:Mathematics|Mathematics]] {{
Books in this subject area deal with '''elementary arithmetic''': the most basic kind of mathematics: it concerns the operations of addition, subtraction, multiplication, and division. Mental arithmetic is elementary arithmetic performed in the head. Nowadays people routinely use electronic calculators, cash registers, and computers to perform their elementary arithmetic for them. In ancient times, the abacus was used to perform elementary arithmetic, and still is in many parts of Asia.
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