横向
1
Math using letters for unknown values
4
Symbol representing unknown value
5
Total distance around a shape
6
Number less than zero
9
Number divisible only by 1 and itself
纵向
2
Number that divides evenly into another
3
Result of raising a number to an exponent
4
Corner point of a polygon
7
Repeated addition
8
Distance from center to edge of circle
10
Proven mathematical statement