横向
1
Symbol representing unknown value
2
Result of multiplication
6
Longest side of a right triangle
7
Part of a whole number
9
Steepness of a line
13
Repeated addition
14
Difference between highest and lowest values
纵向
2
Number greater than zero
3
Split into equal parts
4
U-shaped curve of a quadratic function
5
Total distance around a shape
8
Distance from center to edge of circle
10
Value that does not change
11
Line crossing from corner to corner
12
Result of addition
