横向
1
Repeated addition
3
Sum divided by count
5
Part of a whole number
8
Total distance around a shape
10
U-shaped curve of a quadratic function
11
Single numeral from 0 to 9
13
Mathematical statement of equality
纵向
2
Part of a line with two endpoints
4
Result of raising a number to an exponent
5
Number that divides evenly into another
6
Comparison of two quantities
7
Number less than zero
9
Math using letters for unknown values
12
Reference line in a graph