横向
1
Difference between highest and lowest values
2
Single numeral from 0 to 9
4
Number with digits after a point
5
Part of a circle's circumference
6
Repeated addition
7
Amount of space an object occupies
8
Number less than zero
纵向
2
Split into equal parts
3
Total distance around a shape
9
Number that divides evenly into another
10
Round shape with all points equidistant
11
Space between two intersecting lines
12
Lines that never intersect