# Number Seven : Learning to Write Simple Handwriting Number 7 Colouring Page

## About Number Seven Colouring Page

Six is ​​the second smallest number of compositions, the precise dividerThe abstract concept for negative numbers has been recognized as early as 100 – 50 BC. Chinese works, “Nine Chapters on Mathematical Art” (Jiu-zhang Suanshu) contains rules for determining the extent of the diagrams; red bars are used to denote positive coefficients, and black bars for negative coefficients. This is the first known number of negative numbers in the Eastern world; The first reference in Western literature is in the 3rd century in Greece. Diophantus refers to the equation {\ displaystyle 4x + 20 = 0} {\ displaystyle 4x + 20 = 0} (the solution is negative) in his work, Arithmetica, and says that the equation gives non-abnormal results.

During the 600’s, negative numbers were used in India to represent debt. Diophantus’s references were first discussed more sharply by Brahmagupta, Indian mathematician, in his work Brahma-Sphuta-Siddhanta in 628 AD. He uses negative numbers to produce quadratic formulas, a general form still in use today. However, in the 12th century in India, Bhaskara provided a negative root cause for quadratic equations, but said that negative values ​​”in this case were not taken as imperfect; people would not agree with negative sources of power.”

European mathematicians usually hold the concept of negative numbers until the 17th century, though Fibonacci allows a negative solution that he interpreted as debit (chapter 13 of Liber Abaci, 1202) and then as a loss (in Flos). At the same time, the Chinese signaled negative numbers through a oblique streak at the non-zero rightmost digits for the corresponding positive number digits. The first use of negative numbers in the European paper was by Chuquet in the 15th century. He uses it as an exponent, but refers to it as a “non-zero number”

Recently in the 18th century, Swiss mathematician Leonhard Euler believed that negative numbers were larger than infinity. It is normal practice at the time to ignore any negative results returned by the equation, based on the assumption that the figures are meaningless. They are 1, 2 and 3. Since six is ​​equal to the exact number of dividers, six is ​​the perfect number. As the perfect number, 6 is associated with prime Mersenne 3, because 21 (22-1) = 6. The next perfect number is 28.