Question
4 5.5 19 .5 98.5 694
6251.5Solution
4 × 1 + 1.5 = 5.5 5.5 × 3 + 2.5 = 19 19 × 5 + 3.5 = 98.5 98.5 × 7 + 4.5 = 694 694 × 9 + 5.5 = 6251.5
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