2. The first mathematical comparison formula.
Comparing numbers, the number axis shows the real trick;
Positive numbers are greater than 0 and negative numbers are less than 0;
Can also decrease each other, higher than 0;
The same negative absolute value, the more values, the less;
Just put him down with the same number, and in turn straighten him up;
Surnames are divided by the same clan, compare1;
The score is close to the whole, compare with the rest;
Denominator or sub-image, compare the other;
Several special values of generation can be preliminarily determined;
If you still can't get a verdict, find a middleman.