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Problem-Solving By Substitution
Interchange Of Signs And Numbers

In a scenario where '?' means subtraction, '?' means addition, '?' means multiplication, and '?' means division, calculate 10 ? 5 ? 3 ? 2 ? 2.

Answer: D. 12
Substituting the symbols and applying BODMAS gives 10 - 5 + 3 × 2 ÷ 2 = 12.
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