横向
1
Value that does not change
5
Part of a circle's circumference
6
Round shape with all points equidistant
7
U-shaped curve of a quadratic function
8
Line segment connecting two circle points
10
Line touching circle at one point
11
Single numeral from 0 to 9
12
Mathematical statement of equality
13
Number divisible only by 1 and itself
纵向
2
Longest side of a right triangle
3
Steepness of a line
4
Number with digits after a point
7
Number greater than zero
9
Rectangular array of numbers
11
Line crossing from corner to corner