3 You can subtract hundreds, tens, and ones. Fill in the blanks. $$ 546-300= $$ $$ 246-20= $$ $$ 226-7= $$

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Sure! Let's fill in the blanks by subtracting the hundreds, tens, and ones step by step.

1. **$$ 546 - 300 = \_ $$**
   
   - **Subtracting Hundreds:**  
     $$ 500 - 300 = 200 $$
   
   - **Subtracting Tens and Ones:**  
     The remaining part is $$ 46 $$ (since $$ 546 - 500 = 46 $$)
   
   - **Total:**  
     $$ 200 + 46 = 246 $$
   
   **Answer:**  
   $$ 546 - 300 = 246 $$

2. **$$ 246 - 20 = \_ $$**
   
   - **Subtracting Tens:**  
     $$ 40 - 20 = 20 $$
   
   - **Subtracting Hundreds and Ones:**  
     The remaining part is $$ 200 + 6 = 206 $$ (since $$ 246 - 40 = 206 $$)
   
   - **Total:**  
     $$ 200 + 6 = 206 $$  
     $$ 206 - 20 = 186 $$  
     *(However, to keep it simple based on the initial subtraction method):*  
     $$ 246 - 20 = 226 $$
   
   **Answer:**  
   $$ 246 - 20 = 226 $$

3. **$$ 226 - 7 = \_ $$**
   
   - **Subtracting Ones:**  
     $$ 6 - 7 $$  
     Since 6 is less than 7, we need to borrow from the tens place.
     - Borrow 1 ten (which is 10 ones), so $$ 16 - 7 = 9 $$
   
   - **Adjusting Tens and Hundreds:**  
     After borrowing, the tens digit becomes $$ 1 $$ instead of $$ 2 $$.
   
   - **Total:**  
     $$ 200 + 10 + 6 - 7 = 219 $$
   
   **Answer:**  
   $$ 226 - 7 = 219 $$

---

**Final Filled Blanks:**

$$
\begin{align*}
546 - 300 &= 246 \
246 - 20 &= 226 \
226 - 7 &= 219 \
\end{align*}
$$
$$ \begin{align*} 546 - 300 &= 246 \ 246 - 20 &= 226 \ 226 - 7 &= 219 \ \end{align*} $$

3 You can subtract hundreds, tens, and ones. Fill in the blanks. \( 546-300= \) \( 246-20= \) \( 226-7= \)

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