横向
1
Number divisible only by 1 and itself
4
Mathematical statement of equality
5
Distance from center to edge of circle
6
Difference between highest and lowest values
8
Corner point of a polygon
9
Result of raising a number to an exponent
10
Space between two intersecting lines
11
Result of multiplication
纵向
2
Round shape with all points equidistant
3
Lines that never intersect
7
Number less than zero
9
Number greater than zero
12
Symbol representing unknown value
13
Rectangular array of numbers