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Para encontrar o número de números inteiros decrescentes entre 2.000 e 6.000 sem dígitos repetidos, podemos seguir estes passos:

O segundo dígito pode variar de 0 a 9, mas deve ser menor que o primeiro.

O terceiro dígito pode variar de 0 a 9, mas deve ser menor que o segundo.

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Assim, podemos calcular quantas combinações são possíveis seguindo essas restrições.

O número de números inteiros decrescentes entre 2.000 e 6.000 sem dígitos repetidos é 336.

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To subtract negative integers, you can convert the subtraction into addition by changing the sign of the negative integer. For example, subtracting -3 is the same as adding 3: ( a - (-b) = a + b ). To find the distance between two integers, simply calculate the absolute difference between them using the formula ( |a - b| ), which gives you a positive number representing the distance irrespective of their order.


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