横向
1
Line segment connecting two circle points
2
Number greater than zero
3
Divisible by two
7
U-shaped curve of a quadratic function
10
Result of multiplication
12
Longest side of a right triangle
纵向
2
Lines that never intersect
4
Split into equal parts
5
Total distance around a shape
6
Part of a circle's circumference
8
Part of a whole number
9
Difference between highest and lowest values
11
Part of a line with two endpoints