横向
1
Number that divides evenly into another
4
Reference line in a graph
6
Number with digits after a point
7
Divisible by two
8
Lines that never intersect
9
Three-sided polygon
纵向
2
Part of a line with two endpoints
3
Sum divided by count
5
Rectangle with four equal sides
10
System of ordered marks for measuring
11
Distance from center to edge of circle
12
Part of a whole number