I am a digit in each of the numerals: 756 657 576. My value is different in all three numerals. What digit am I? What value do I stand for in each numeral?

I just answered this for you.

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To determine which digit you are, we need to compare the digits in the same position in each numeral. Let's go step-by-step:

First position:
In the numerals 756, 657, and 576, the digits in the first position are 7, 6, and 5, respectively. Since all three digits are different, you cannot be the digit in the first position.

Second position:
In the numerals 756, 657, and 576, the digits in the second position are 5, 5, and 7, respectively. Since the digit in the second position is the same in two of the numerals (5), you can be the digit in the second position.

Therefore, you are the digit 5.

Now let's determine what value you stand for in each numeral:

In the numeral 756, you are the digit 5 in the second position.
In the numeral 657, you are also the digit 5 in the second position.
In the numeral 576, you are the digit 5 in the first position.

So, in each numeral:
- In 756, you stand for the value 5 in the second position.
- In 657, you stand for the value 5 in the second position.
- In 576, you stand for the value 5 in the first position.

To find the digit and its value in each numeral, we can compare the digits in the same position from each numeral and see which digit appears only once. Let's break down the given numerals:

756: The digit in the ones place is different from the other two numerals.
657: The digit in the tens place is different from the other two numerals.
576: The digit in the hundreds place is different from the other two numerals.

So, the digit you are is the one that appears only once, and its value changes depending on the position. Let's go through each numeral:

756: The digit you are is in the ones place and has a value of 6.
657: The digit you are is in the tens place and has a value of 5.
576: The digit you are is in the hundreds place and has a value of 7.

Therefore, in each numeral, you are a different digit with a value of 6, 5, and 7, respectively.