a. B, C are three digit hundreds, tens and ones, and a Who can help me? My wealth is zero

Because a is not greater than B, B is not greater than C, so | A-B | + | B-C | + | C-B | = (B-A) + 2 (C-B) = 2c-b-a
In order to maximize the value, the larger C is, the better, and the smaller A and B are, the better. Therefore, C takes the number 9, a is a three digit hundred, and cannot be 0, so a takes 1, B is not less than a, and also takes 1
When the maximum value is 119, the absolute sum is 0 + 8 + 8 = 2x9-1-1 = 16

RELATED INFORMATIONS

1. Let a, B and C be a three digit number of hundred, ten and one respectively, and a ≤ B ≤ C, then the maximum value that | A-B | + | B-C | + | C-A | can obtain is______ ．
2. If A.B.C is a three digit number of hundred, ten and one, and a ≤ B ≤ C, then the maximum value of | A-B | + | B-C | + | C-A |,
3. If a, B and C are three digits of a three digit number, and a ≤ B ≤ C, what is the maximum value of | A-B | + | B-C | + | C-A |?
4. How many zeros are there at the end of the factorial of 100
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6. How many consecutive zeros are there at the end of the factorial in 2013?
7. How many zeros are there at the end of the factorial of 25?
8. Why is 0 factorial 1,1 factorial 1,2 factorial 2?
9. The reason why the factorial of 0 is 1 In my opinion, it is inappropriate for some people to deduce 0! = 1 by using the factorial recurrence formula The premise of recurrence formula n! = n * (n-1)! Is n > 1, so it is wrong to substitute 1 to get 0! = 1 Factorial is defined as n! = 1 * 2 * 3 *. * n or n! = n *. * 3 * 2 * 1, starting from or ending at 1 So 1! = 1 * 1 and not equal to 1 * 0! =In the permutation formula, P = n! / (m-n)! In order to make the equation hold when m = n, the denominator cannot be 0, so 0! = 1 is specified. Moreover, we know that there is only one way to take n elements from n elements, so it can only be specified equal to 1, not equal to 2, 3 The last sentence is wrong. There are n! Ways to take n elements from n non primes, so p = n, so 0! = 1 cannot be equal to 2,3
10. How many zeros are there at the end of the factorial of 100?
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