1, several methods of mathematics in senior one. Number axis display method, numerical comparison method, difference-by-difference method, same negative absolute value method, reciprocal method, business-by-business method, rounding remainder method, same mother (son) method, assignment method, intermediate value method, etc.

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.