IKMC 2027 - Grades 7-8 - Self-study SET 3 - Thematic Batch 3 Question 28

Each letter represents a digit in $\overline{ABCD}+\overline{BDEF}+\overline{ECBD}=10823$. Find $\overline{ECED}+\overline{ADCD}+\overline{BBBF}$.