Of the three given equation, the first two are solved on the basis of a certain system. Find the correct answer for the unsolved third equation on the same basis.
27 × 33 = 9
17 × 35 = 8
13 × 57 = ?
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4
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10
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Of the three given equation, the first two are solved on the basis of a certain system. Find the correct answer for the unsolved third equation on the same basis.
27 × 33 = 9
17 × 35 = 8
13 × 57 = ?