横向
1
Closed shape with straight sides
4
Steepness of a line
5
Round shape with all points equidistant
7
Total distance around a shape
8
Middle value in an ordered dataset
纵向
2
Proven mathematical statement
3
Result of raising a number to an exponent
4
System of ordered marks for measuring
6
Number with digits after a point
9
Number greater than zero
