In mathematics, rational (or fraction) is the ratio of an integer number two, often written in the form of a fraction A / B and when a B is integer. Not equal to zero, and B
.Rational number can be written in the form of each variety, for example, a called irreducible fraction. A B and that a and B will have no common denominator. And the rational number can be written in the form of every irreducible fraction this
.In addition, every rational number can also be written in the form of a decimal know graduated or repeating decimal one [], such as 1 decimal know the end,. And a non-singular matrix, etc.
real numbers not rational called irrational numbers
.In mathematics. "Logics" refers to a limited extent in the rational number system, such as a polynomial logics
the set of all rational, we use the symbol. Q or Blackboard Bold using set conditions, as follows.
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