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Mathematics, 23.01.2020 00:31 kellywelly82

In a three-digit positive integer , if the hundreds digit cannot be 1 and the neighbor digits cannot be repetition, how many possibilities of these integers? a. 729 b. 504 c. 576 d. 448 e. 648

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In a three-digit positive integer , if the hundreds digit cannot be 1 and the neighbor digits cannot...

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