横向
1
Mathematical rule or equation
3
Single numeral from 0 to 9
5
Total distance around a shape
6
Rectangular array of numbers
7
Divisible by two
8
Space between two intersecting lines
9
Distance from center to edge of circle
10
Proven mathematical statement
纵向
2
Symbol representing unknown value
3
Number with digits after a point
4
Sum divided by count