横向
1
Part of a whole number
4
Split into equal parts
6
Divisible by two
7
System of ordered marks for measuring
9
Number less than zero
10
Corner point of a polygon
13
Mathematical rule or equation
纵向
2
Amount of space an object occupies
3
Longest side of a right triangle
5
Total distance around a shape
8
Comparison of two quantities
11
Round shape with all points equidistant
12
Line touching circle at one point