横向
1
Difference between highest and lowest values
4
Distance from center to edge of circle
5
Result of raising a number to an exponent
6
System of ordered marks for measuring
7
U-shaped curve of a quadratic function
纵向
2
Part of a circle's circumference
3
Number less than zero
5
Lines that never intersect
8
Divisible by two
9
Value that does not change