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Math Wrangle, JMMProblems 1 Find all solutions to (12x − 1)(6x − 1)(4x − 1)(3x − 1) = 7. 2 How many positive numbers less than 109 have a digit sum of 30 (when written in base-10)? For example, one such nu
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Document Date: 2018-01-24 01:51:50
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Math Wrangle, JMMProblems 1 Find all solutions to (12x − 1)(6x − 1)(4x − 1)(3x − 1) = 7. 2 How many positive numbers less than 109 have a digit sum of 30 (when written in base-10)? For example, one such nu