Missing Digits Subtraction
1. **State the problem:** We have the subtraction:
$$87,031 - 2[\square],669 = [\square]2,36[\square]$$
We need to find the missing digits represented by $\square$.
2. **Analyze the given digits:**
The subtraction is:
$$87,031 - 2a,669 = b2,36c$$
where $a$, $b$, and $c$ are the missing digits.
3. **Subtract digits from right to left:**
Units digit: $1 - 9$ is not possible without borrowing.
Borrow $1$ from the tens place (which is $3$), now tens place digit is $2$ and units place becomes $11$.
Units: $11 - 9 = 2$
So the units digit of the result $c = 2$.
4. **Tens digit:**
After borrowing tens digit is $2$. We calculate:
$2 - 6 = ?$
Again $2 < 6$ so we need to borrow 1 from the hundreds place (which is $0$).
Hundreds digit is $0$ so we need to borrow 1 from the thousands place.
Thousands digit is $7$, after borrowing it becomes $6$.
Hundreds place now is $10$ (due to borrow), and we borrow 1 from hundreds to tens.
Tens digit now is $12$.
Tens: $12 - 6 = 6$
So the tens digit of the result $6$ matches the given $6$ at that place.
5. **Hundreds digit:**
Hundreds place after borrowing from thousands is $9$ (10 original + borrowed 10 -1 borrow to tens):
$9 - 6 = 3$
The hundreds digit of the answer is $3$, matching provided.
6. **Thousands digit:**
Thousands place is $6 - 2a$', where $a$ is unknown.
Result thousands digit is $2$, so:
$6 - 2a = 2$
Since $2a$ represents a digit in the number $2a,669$, the digit $a$ is the missing digit to find.
So:
$6 - a = 2$
$\Rightarrow a = 4$
Because $2a$ is two digits: 2 and $a=4$.
7. **Ten-thousands digit:**
Ten-thousands digit subtraction:
$8 - 2 = b$
So $b = 6$
8. **Hundred-thousands digit:**
There is no digit in hundred-thousands place of subtracted number, so we assume it is $0$.
Answer’s hundred-thousands digit is missing, indicated as $b=6$ in step 7.
9. **Fill in all missing digits:**
Missing digits are:
$\boxed{4}$ for the missing digit in the subtracted number ($2[4],669$)
$\boxed{6}$ as the first digit of the answer ($62,362$)
$\boxed{2}$ as the last digit of the answer (already found in units place)
10. **Final subtraction:**
$$87,031 - 24,669 = 62,362$$
**Answer:**
The missing digits are $4$, $6$, and $2$ respectively.