Mathematics · Mathematical Operations
Which of the following sets of signs should be used to replace * sequentially in the equation below to make it mathematically correct? 10 * 5 * 7 = 3 * 8 * 5
- 1×, +, +, ×
- 2÷, +, ×, +
- 3×, −, +, ×✓
- 4÷, +, ×, −
Correct answer
×, −, +, ×
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