横向
1
Mathematical statement of equality
5
Number divisible only by 1 and itself
6
Three-sided polygon
7
Number that divides evenly into another
8
Comparison of two quantities
9
Rectangular array of numbers
11
Line crossing from corner to corner
纵向
2
Repeated addition
3
Number greater than zero
4
Line segment connecting two circle points
10
Exact correspondence on both sides
12
Lines that never intersect