横向
1
Number that divides evenly into another
4
System of ordered marks for measuring
5
Number greater than zero
10
Total distance around a shape
11
Steepness of a line
纵向
2
Lines that never intersect
3
Proven mathematical statement
6
Number with digits after a point
7
Distance from center to edge of circle
8
Result of multiplication
9
Round shape with all points equidistant