Math Discovery

公开|
6
2
3
4
8
7
1
5
9

横向

1

Parts per hundred

5

Proven mathematical statement

6

Result of multiplication

7

Closed shape with straight sides

纵向

2

Line touching circle at one point

3

Exact correspondence on both sides

4

Value that does not change

8

Three-sided polygon

9

Difference between highest and lowest values