横向
1
Line segment connecting two circle points
4
Symbol representing unknown value
5
Math using letters for unknown values
8
Divisible by two
9
Result of raising a number to an exponent
10
Number divisible only by 1 and itself
纵向
2
Middle value in an ordered dataset
3
Mathematical rule or equation
4
Amount of space an object occupies
6
Number greater than zero
7
Part of a whole number