The meaning of math 0 is 1, and there is nothing.
2. The front point (origin) of the number axis
3. It can indicate the boundary.
It can indicate the starting point.
5. It can occupy space.
Is 0 odd or even? 0 is a special even number (in 2002, the International Mathematical Association stipulated that 0 is an even number; In 2004, China also stipulated that even numbers should be set to zero. It is not only the dividing line between positive even numbers and negative even numbers, but also the watershed between positive odd numbers and negative odd numbers.
Elementary school stipulated that 0 is the smallest even number, but by junior high school, I learned negative numbers. When there is a negative even number, 0 is not the smallest even number.
Goldbach conjecture shows that any even number greater than two can be written as the sum of two prime numbers, but no one has been able to prove this conjecture.
The related knowledge point 0 of 0 is neither positive nor negative, but the dividing point between positive and negative numbers. 0 has no reciprocal, the reciprocal of 0 is 0, the absolute value of 0 is 0, the square root of 0 is 0, the cube root of 0 is 0, 0 times any number equals 0, and the power of 0 of any number except 0 equals 1. 0 cannot appear as a denominator, and all multiples of 0 are 0. 0 cannot be used as a divisor.
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