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Problem-Solving By Substitution
Interchange Of Signs And Numbers

If × means ÷, - means ×, ÷ means + and + means-, than (3 - 15 ÷ 19) × 8 + 6 = ?

Answer: C. 2
Using the correct symbols, we have : Given expression : (3 × 15 + 19) ÷ 8 - 6 = (45 + 19) ÷ 8 - 6 = 64 ÷ 8 - 6 = 8 - 6 = 2
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