横向
1
Middle value in an ordered dataset
4
Rectangle with four equal sides
5
Mathematical statement of equality
7
Value that does not change
9
Lines that never intersect
纵向
2
Math using letters for unknown values
3
Line touching circle at one point
4
System of ordered marks for measuring
6
Round shape with all points equidistant
8
Number divisible only by 1 and itself
10
Part of a whole number
11
Longest side of a right triangle