横向
1
Symbol representing unknown value
5
U-shaped curve of a quadratic function
6
Power to which a number is raised
8
Round shape with all points equidistant
9
Comparison of two quantities
纵向
2
Total distance around a shape
3
Line crossing from corner to corner
4
Split into equal parts
5
Parts per hundred
7
Lines that never intersect
10
Proven mathematical statement