If the cell "d1" containes the formula =a1
how can i make the cell "e1" =a2 with out actualy typing it

EG can the cell "e1" not be "d1+1 - which d1="a1" so it add one
- making e1 = a2 somehow , but it just adds the number 1 to make e1 equal to
6
where it should equal 9 (a2)

a b c d e f
1 5 5 ?
2 9
3