横向
1
Amount of space an object occupies
4
Result of multiplication
7
Symbol representing unknown value
8
Math using letters for unknown values
9
Corner point of a polygon
12
Line touching circle at one point
纵向
2
Split into equal parts
3
System of ordered marks for measuring
5
Visual representation of data
6
Divisible by two
10
Proven mathematical statement
11
Lines that never intersect
13
Round shape with all points equidistant
14
Number with digits after a point