横向
1
Math using letters for unknown values
3
U-shaped curve of a quadratic function
4
Repeated addition
5
Closed shape with straight sides
6
Comparison of two quantities
7
Mathematical rule or equation
纵向
1
Space between two intersecting lines
2
Symbol representing unknown value
3
Result of raising a number to an exponent
4
Rectangular array of numbers
8
Number with digits after a point
9
Number divisible only by 1 and itself
10
Longest side of a right triangle
