横向
1
Repeated addition
5
Number divisible only by 1 and itself
6
Mathematical statement of equality
7
Mathematical rule or equation
8
Middle value in an ordered dataset
9
Difference between highest and lowest values
11
Math using letters for unknown values
纵向
1
Rectangular array of numbers
2
Part of a whole number
3
Number with digits after a point
4
Result of raising a number to an exponent
10
U-shaped curve of a quadratic function