横向
1
Rectangle with four equal sides
3
System of ordered marks for measuring
4
Rectangular array of numbers
5
Number divisible only by 1 and itself
6
Line crossing from corner to corner
纵向
1
Steepness of a line
2
Proven mathematical statement
7
Mathematical rule or equation
8
Three-sided polygon
9
Split into equal parts
10
Line touching circle at one point