In a set of primes, each digit from 1 through 9 is used exactly once in the set, and 0 is not used. What is the least possible sum of these primes?
A.
205
B.
225
C.
405
D.
None of these
Exam No：2022 First Round Grades 10-12 Year：2022 Question No：17
Answer:
D
Knowledge points:
G10-12 - Number Theory - Digit-Based Problems (Logic & Properties)
Solution:
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