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Problem-Solving By Substitution
Interchange Of Signs And Numbers

If '?' represents multiplication, '†' represents addition, '‡' represents subtraction, and '§' represents division, what is the result of 12 ? 3 † 4 ‡ 2 § 2?

Answer: C. 36
Following BODMAS: 12 ? 3 = 36, then 36 † 4 = 40, 2 § 2 = 1, finally 40 ‡ 1 = 39.
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