横向
1
Part of a line with two endpoints
4
Rectangle with four equal sides
5
U-shaped curve of a quadratic function
6
Amount of space an object occupies
9
Split into equal parts
纵向
2
Middle value in an ordered dataset
3
Result of raising a number to an exponent
4
System of ordered marks for measuring
5
Number greater than zero
7
Rectangular array of numbers
8
Number with digits after a point
10
Lines that never intersect
11
Closed shape with straight sides
12
Math using letters for unknown values