横向
1
Closed shape with straight sides
4
Rectangle with four equal sides
6
Math using letters for unknown values
7
Value that does not change
纵向
2
Number that divides evenly into another
3
Line crossing from corner to corner
4
System of ordered marks for measuring
5
Divisible by two
6
Part of a circle's circumference
8
Result of raising a number to an exponent