digit

(a)  

dimension

(a)  

divide

(a)  

draw a graph

(a)  

drop an altitude

(a)  

edge

(a)  

empty set

(a)  

equal to

(a)  

equate

(a)  

equilateral triangle

(a)  

evaluate

(a)  

even number

(a)  

expand brackets

(a)  

express

(a)  

formula of addition

(a)  

formula of doubled argument

(a)  

fifth root

(a)  

even function

(a)  

expand brackets

(a)  

double inequality

(a)  

extract a (square) root

(a)  

extreme value

(a)  

double (triple) product

(a)