Question
12 23 65 ? 1239
7409Solution
12 × 2 - 1² = 23 23 × 3 - 2² = 65 65 × 4 - 3² = 251 251 × 5 - 4² = 1239 1239 × 6 - 5² = 7409
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(NOTE : Operations should be performed ...
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
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PB : UW :: JT : ?
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