横向
1
Number with digits after a point
4
Rectangular array of numbers
5
Amount of space an object occupies
6
Symbol representing unknown value
7
Result of raising a number to an exponent
9
Divisible by two
11
Line crossing from corner to corner
纵向
2
Math using letters for unknown values
3
Sum divided by count
4
Repeated addition
8
Result of addition
10
Rectangle with four equal sides