横向
1
Mathematical rule or equation
5
Result of multiplication
6
Mathematical statement of equality
8
U-shaped curve of a quadratic function
10
Part of a circle's circumference
纵向
2
Longest side of a right triangle
3
Symbol representing unknown value
4
Amount of space an object occupies
7
Number with digits after a point
9
Value that does not change
11
Number greater than zero
12
Distance from center to edge of circle
13
Divisible by two
14
Three-sided polygon