横向
1
Part of a whole number
5
Number greater than zero
6
Math using letters for unknown values
11
Exact correspondence on both sides
12
Lines that never intersect
纵向
1
Number that divides evenly into another
2
Mathematical statement of equality
3
Difference between highest and lowest values
4
Value that does not change
5
Result of multiplication
7
Rectangle with four equal sides
8
Distance from center to edge of circle
9
Rectangular array of numbers
10
Sum divided by count