Question
2 E + 5 F = 18
5 E + 5 F = 30

Fill in the blanks.
  1. 3 E = _____
  2. 1 E =_____
  3. 1 F = _____
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

2 E + 5 F = 18
5 E + 5 F = 30

Fill in the blanks.
  1. 3 E = _____
  2. 1 E =_____
  3. 1 F = _____