Question 28
A 3-digit number is subtracted from a 4-digit number and the result is a 3-digit number.
The 10 digits are all different.
What is the smallest possible result?
**Source annotation note:** Faint handwritten marks in the supplied image are preserved for fidelity. They are not printed givens or an official answer.
Every box is an unknown digit; ignore the handwritten entries.
The 10 digits are all different.
What is the smallest possible result?
**Source annotation note:** Faint handwritten marks in the supplied image are preserved for fidelity. They are not printed givens or an official answer.
Every box is an unknown digit; ignore the handwritten entries.