横向
1
Result of raising a number to an exponent
3
Longest side of a right triangle
4
Symbol representing unknown value
8
Distance from center to edge of circle
9
Split into equal parts
11
Number that divides evenly into another
13
Line segment connecting two circle points
14
Difference between highest and lowest values
纵向
1
Number divisible only by 1 and itself
2
Number less than zero
5
Middle value in an ordered dataset
6
The number representing nothing
7
Line crossing from corner to corner
10
Steepness of a line
12
Math using letters for unknown values