What is the difference between a minus and a minus?

No, the negative sign : -fù hào is a symbol that means a negative number or a negative pole. Writing"－", the same as the minus sign. in a number or an algebraic formula.

A preceded symbol denoted by "-" indicates a number smaller than zero or the opposite of a number.

Negative Symbols Negative numbers were first adopted and applied by ancient Chinese mathematicians, and the rules of operation of negative numbers and negative numbers were recorded in the Nine Chapters of Arithmetic. In other calculations, there are different ways to represent positive and negative numbers, for example, when calculating, red chips will represent positive numbers, and black chips will represent negative numbers. However, this method is very inconvenient to change the color when it is used for brush recording, so in the 12th century, Li Ye.

It was the first to add a diagonal stroke to the number to indicate a negative number. Figure 1 shows that this is arguably the world's earliest negative symbol. In the West, negative numbers were recognized later than in China, and they were not officially applied until the 15th century.

In the operation, there are also different negative symbols to represent positive and negative numbers. As in 1800, Wilkins.

denoted by -a; In 1809, Winterfell added " or " " before a number to indicate a negative number; And in 1832, W Poljo used " " to denote a negative number. In addition, there are different ways to represent negative numbers, such as a negative number and a positive number. AM is negative, AP is positive; It is also used to represent a negative number, which is a positive number. It wasn't until the beginning of this century that Huntington began to adopt a form of negative symbols close to today, such as -3, -2, -1, 0, +1, +2, +3, and gradually became the positive and negative numbers of today.

is a minus sign, the number before the minus sign is the number being subtracted, the number after the minus sign is a minus number, and "=" is the equals sign.

The number after the equals sign is the difference. 10000 (subtracted) - minus) 6000 (minus) = (equal) 4000 (difference).

The minus sign is used to indicate the number below 0, and the minus sign is used in subtraction to represent the subtracted number-divisor.

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