横向
1
Three-sided polygon
5
Lines that never intersect
6
Mathematical statement of equality
7
Round shape with all points equidistant
纵向
2
Math using letters for unknown values
3
Rectangular array of numbers
4
System of ordered marks for measuring
8
Result of multiplication
9
Result of raising a number to an exponent
10
Proven mathematical statement
11
Space between two intersecting lines