横向
1
Space between two intersecting lines
3
Part of a whole number
7
Distance from center to edge of circle
8
Number that divides evenly into another
9
Three-sided polygon
12
Round shape with all points equidistant
纵向
2
Mathematical statement of equality
4
System of ordered marks for measuring
5
Result of multiplication
6
Part of a circle's circumference
10
Single numeral from 0 to 9
11
Closed shape with straight sides