Phone number
A phone number has nine digits, none of which are repeated. The middle digit of the second three-digit group is 3 times greater than the 6th digit and twice greater than the 7th. The three-digit number in the middle group is 2 times greater than the last three-digit number. The second digit is the sum of the 1st and 3rd, and the 1st is less than the third.
What is the phone number?
What is the phone number?
Final Answer:

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Would you like to compute the count of combinations?
You need to know the following knowledge to solve this word math problem:
combinatoricsalgebrabasic operations and conceptsGrade of the word problem
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