Question 24
Different letters denote different digits in the cryptarithm $RED+DEER=RDRA$. Find $R+E+D+A$.
Leading digits R and D are nonzero.
Answer format: enter one whole number without units. The printed paper uses four answer-sheet digits with leading zeros when needed; ordinary numeric entry is used here.
Leading digits R and D are nonzero.
Answer format: enter one whole number without units. The printed paper uses four answer-sheet digits with leading zeros when needed; ordinary numeric entry is used here.