Nature ball Integer Rational number, real number Plural Definition of And for example Include positive numbers, fractions, negative numbers, zeros, roots

Nature ball Integer Rational number, real number Plural Definition of And for example Include positive numbers, fractions, negative numbers, zeros, roots

Complex number is a large set of numbers. Complex number consists of real part and imaginary part. If the imaginary part is 0, it is a real number. The difference between real number and complex number is that there is no imaginary part, including positive number, negative number and zero, etc. rational number can be square root, and infinite cycle is rational number. Literal understanding of integer is OK. Positive integer, negative integer and zero, natural number does not include negative number, including zero, To understand the problem of number set, we suggest you look up the mathematical number set, find their definitions and differences, understand and memorize them