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7 of 15 × () = () × 2 and 1 of 3 = () × 0.45 = 1
7 / 15 × (15 / 7) = (3 / 7) × 2 and 1 / 3 = (20 / 9) × 0.45 = 1
2, 3 / 2, 4 / 3, 5 / 4, 6 / 5, 6 / 7, the 50th number is? Find the product of these 50 numbers
Two, three in two, four in three, five in four, six in five, six in seven
Is it minus six out of seven or minus seven out of six?
If it's minus seven sixths, then the fiftieth number should be minus fifty-one
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