But the key is: $ B $ must divide some multiple of 9 in the range [100, 199], i.e., $ B \mid D $ for some $ D \in [100,199] \cap 9\mathbbZ $ - AMAZONAWS 📅 March 11, 2026 👤 scraface Mar 11, 2026
![But the key is: $ B $ must divide some multiple of 9 in the range [100, 199], i.e., $ B \mid D $ for some $ D \in [100,199] \cap 9\mathbb{Z} $](https://soloferat.biz.id/images/but-the-key-is--b--must-divide-some-multiple-of-9-in-the-range-100-199-ie--b-mid-d--for-some--d-in-100199-cap-9mathbbz-.jpg)
