横向
1
Rectangle with four equal sides
2
U-shaped curve of a quadratic function
3
Middle value in an ordered dataset
4
Amount of space an object occupies
9
Round shape with all points equidistant
纵向
1
System of ordered marks for measuring
2
Parts per hundred
5
The number representing nothing
6
Part of a circle's circumference
7
Number less than zero
8
Mathematical rule or equation
10
Exact correspondence on both sides
11
Number that divides evenly into another