横向
1
Symbol representing unknown value
5
Proven mathematical statement
6
Repeated addition
8
Reference line in a graph
纵向
2
Line crossing from corner to corner
3
Math using letters for unknown values
4
Result of raising a number to an exponent
7
Round shape with all points equidistant
9
U-shaped curve of a quadratic function
10
Result of multiplication
11
Split into equal parts