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方程二字是我国古老的名詞。《九章算术》第八章就是方程章。这方程是指現在的一次联立方程組。三国魏刘徽解释方程的意义如下:“程,課程也。羣物总杂各列有数。总言其实。令每行为率,二物者再程,三物者三程,皆如物数程之,并列为行,故謂之方程。”二物再程,三物三程指二个或三个未知数則要二个或三个式子来表示,因并列成行(古代用筹算并列)成方形,所以叫做方程。 現在用英文equation譯作方程,那是后来的事。已和上面我国原有方程的意义不同。方程不方了。equation的拉丁字作aequatio,原来是指等
The second word of the equation is the ancient Chinese noun. The eighth chapter of “Chapter 9 Arithmetic” is the equation. This equation refers to the current set of simultaneous equations. The meaning of the equation in the Three Kingdoms Wei Liu Hui is as follows: “Cheng, the course also. The total number of miscellaneous items in the list is total. In fact, the per-act rate, the second object re-throw, and the three objects are three-way. As a line, it is called the equation.” Two things are repeated, three things and three journeys mean two or three unknowns are represented by two or three expressions, and they are tied to one another (ancient judging juxtaposition) into a square. So it’s called equations. Now we use English equations to translate equations. That is what happened later. Has been different from the meaning of the above original equation in our country. The equation is not square. The Latin word for equation is aequatio, originally referred to as