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Problem: Solve the 3-digit subtraction problems with regrouping.

The worksheet contains several subtraction problems that require regrouping (borrowing). Let's solve each problem step by step.

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#### Row 1:
1. 541 - 408
- Subtract the ones place: \(1 - 8\). Since 1 is less than 8, borrow 1 from the tens place (4 becomes 3, and 1 becomes 11).
\[
11 - 8 = 3
\]
- Subtract the tens place: \(3 - 0 = 3\).
- Subtract the hundreds place: \(5 - 4 = 1\).
- Result: 133

2. 966 - 184
- Subtract the ones place: \(6 - 4 = 2\).
- Subtract the tens place: \(6 - 8\). Since 6 is less than 8, borrow 1 from the hundreds place (9 becomes 8, and 6 becomes 16).
\[
16 - 8 = 8
\]
- Subtract the hundreds place: \(8 - 1 = 7\).
- Result: 782

3. 833 - 674
- Subtract the ones place: \(3 - 4\). Since 3 is less than 4, borrow 1 from the tens place (3 becomes 2, and 3 becomes 13).
\[
13 - 4 = 9
\]
- Subtract the tens place: \(2 - 7\). Since 2 is less than 7, borrow 1 from the hundreds place (8 becomes 7, and 2 becomes 12).
\[
12 - 7 = 5
\]
- Subtract the hundreds place: \(7 - 6 = 1\).
- Result: 159

4. 815 - 563
- Subtract the ones place: \(5 - 3 = 2\).
- Subtract the tens place: \(1 - 6\). Since 1 is less than 6, borrow 1 from the hundreds place (8 becomes 7, and 1 becomes 11).
\[
11 - 6 = 5
\]
- Subtract the hundreds place: \(7 - 5 = 2\).
- Result: 252

---

#### Row 2:
1. 433 - 167
- Subtract the ones place: \(3 - 7\). Since 3 is less than 7, borrow 1 from the tens place (3 becomes 2, and 3 becomes 13).
\[
13 - 7 = 6
\]
- Subtract the tens place: \(2 - 6\). Since 2 is less than 6, borrow 1 from the hundreds place (4 becomes 3, and 2 becomes 12).
\[
12 - 6 = 6
\]
- Subtract the hundreds place: \(3 - 1 = 2\).
- Result: 266

2. 731 - 152
- Subtract the ones place: \(1 - 2\). Since 1 is less than 2, borrow 1 from the tens place (3 becomes 2, and 1 becomes 11).
\[
11 - 2 = 9
\]
- Subtract the tens place: \(2 - 5\). Since 2 is less than 5, borrow 1 from the hundreds place (7 becomes 6, and 2 becomes 12).
\[
12 - 5 = 7
\]
- Subtract the hundreds place: \(6 - 1 = 5\).
- Result: 579

3. 611 - 264
- Subtract the ones place: \(1 - 4\). Since 1 is less than 4, borrow 1 from the tens place (1 becomes 0, and 1 becomes 11).
\[
11 - 4 = 7
\]
- Subtract the tens place: \(0 - 6\). Since 0 is less than 6, borrow 1 from the hundreds place (6 becomes 5, and 0 becomes 10).
\[
10 - 6 = 4
\]
- Subtract the hundreds place: \(5 - 2 = 3\).
- Result: 347

4. 851 - 562
- Subtract the ones place: \(1 - 2\). Since 1 is less than 2, borrow 1 from the tens place (5 becomes 4, and 1 becomes 11).
\[
11 - 2 = 9
\]
- Subtract the tens place: \(4 - 6\). Since 4 is less than 6, borrow 1 from the hundreds place (8 becomes 7, and 4 becomes 14).
\[
14 - 6 = 8
\]
- Subtract the hundreds place: \(7 - 5 = 2\).
- Result: 289

---

#### Row 3:
1. 891 - 188
- Subtract the ones place: \(1 - 8\). Since 1 is less than 8, borrow 1 from the tens place (9 becomes 8, and 1 becomes 11).
\[
11 - 8 = 3
\]
- Subtract the tens place: \(8 - 8 = 0\).
- Subtract the hundreds place: \(8 - 1 = 7\).
- Result: 703

2. 823 - 126
- Subtract the ones place: \(3 - 6\). Since 3 is less than 6, borrow 1 from the tens place (2 becomes 1, and 3 becomes 13).
\[
13 - 6 = 7
\]
- Subtract the tens place: \(1 - 2\). Since 1 is less than 2, borrow 1 from the hundreds place (8 becomes 7, and 1 becomes 11).
\[
11 - 2 = 9
\]
- Subtract the hundreds place: \(7 - 1 = 6\).
- Result: 697

3. 505 - 140
- Subtract the ones place: \(5 - 0 = 5\).
- Subtract the tens place: \(0 - 4\). Since 0 is less than 4, borrow 1 from the hundreds place (5 becomes 4, and 0 becomes 10).
\[
10 - 4 = 6
\]
- Subtract the hundreds place: \(4 - 1 = 3\).
- Result: 365

4. 903 - 282
- Subtract