Mathematics, 02.06.2021 04:20, kidzay

Lizzie came up with a divisibility test for a certain number $m \neq 1$: Break a positive integer $n$ into two-digit chunks, starting from the ones place. (For example, the number $354764$ would break into the two-digit chunks $64, 47, 35.$) Find the alternating sum of these two-digit numbers, by adding the first number, subtracting the second, adding the third, and so on. (In our example, this alternating sum would be $64-47 35

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Lizzie came up with a divisibility test for a certain number $m \neq 1$: Break a positive integer $n...