横向
1
Round shape with all points equidistant
4
Result of raising a number to an exponent
5
Proven mathematical statement
6
Reference line in a graph
7
The number representing nothing
8
Mathematical rule or equation
12
Number divisible only by 1 and itself
13
Exact correspondence on both sides
纵向
2
Part of a line with two endpoints
3
Distance from center to edge of circle
4
Closed shape with straight sides
9
Number less than zero
10
Rectangular array of numbers
11
Middle value in an ordered dataset