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Proportional reasoning : ウィキペディア英語版 | Proportional reasoning
==In mathematics and physics== In mathematics and in physics, proportionality is a mathematical relation between two quantities; it can be expressed as an equality of two ratios: : Functionally, proportionality can be a relationship between variables in a mathematical equation. For example, given the following equation for the force of gravity (according to Newton): : the force of gravity between two masses is directly proportional to the product of the two masses and inversely proportional to the square of the distance between the two masses.
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「Proportional reasoning」の詳細全文を読む
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