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It looks like you've uploaded an image of a worksheet covering the topic of the order of operations, commonly known as PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction). Here’s a step-by-step breakdown of how to solve these problems:

### Problems on the Worksheet:
1. **9 × 5 (20 ÷ 4 + 3)**  
   - Step 1: Evaluate inside the parentheses first:  
     \( 20 ÷ 4 = 5 \)  
     Thus, \( 9 × 5 (5 + 3) \).  
   - Step 2: Add inside the parentheses:  
     \( 5 + 3 = 8 \)  
     So, \( 9 × 5 × 8 \).  
   - Step 3: Perform multiplication from left to right:  
     \( 9 × 5 = 45 \)  
     \( 45 × 8 = 360 \).

2. **7 × (30 ÷ 5 + 9)**  
   - Step 1: Evaluate inside the parentheses first:  
     \( 30 ÷ 5 = 6 \)  
     \( 7 × (6 + 9) \).  
   - Step 2: Add inside the parentheses:  
     \( 6 + 9 = 15 \)  
     So, \( 7 × 15 \).  
   - Step 3: Multiply:  
     \( 7 × 15 = 105 \).

3. **(12 ÷ 3) + (4 × 6)**  
   - Step 1: Evaluate inside each set of parentheses:  
     \( 12 ÷ 3 = 4 \)  
     \( 4 × 6 = 24 \).  
   - Step 2: Add the results:  
     \( 4 + 24 = 28 \).

4. **(17 + 9) ÷ 4**  
   - Step 1: Evaluate inside the parentheses:  
     \( 17 + 9 = 26 \).  
   - Step 2: Divide:  
     \( 26 ÷ 4 = 6.5 \).

5. **49 ÷ (7 × 2) − 9**  
   - Step 1: Evaluate inside the parentheses:  
     \( 7 × 2 = 14 \).  
   - Step 2: Divide:  
     \( 49 ÷ 14 = 3.5 \).  
   - Step 3: Subtract:  
     \( 3.5 − 9 = -5.5 \).

6. **36 ÷ 6 + 8 − 4 × 3**  
   - Step 1: Perform

Solve math problems using the order of operations (PEMDAS) on the worksheet.

Learn how to solve multi-step expressions using PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction). This worksheet is ideal for students in grades 5-7. It covers solving expressions like 9 × 5 (20 ÷ 4 + 3) and 7 × (30 ÷ 5 + 9) with a step-by-step guide.

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