横向
1
Number less than zero
5
Line segment connecting two circle points
6
Number greater than zero
7
Result of raising a number to an exponent
8
Number that divides evenly into another
9
Reference line in a graph
11
Space between two intersecting lines
纵向
2
Comparison of two quantities
3
Symbol representing unknown value
4
Sum divided by count
10
System of ordered marks for measuring
12
Amount of space an object occupies
