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Find the value of 9 × 9 - 3 × 3. (2019)
Practice Questions
Q1
Find the value of 9 × 9 - 3 × 3. (2019)
72
78
81
66
Questions & Step-by-Step Solutions
Find the value of 9 × 9 - 3 × 3. (2019)
Steps
Concepts
Step 1: Calculate 9 × 9. This means you multiply 9 by itself.
Step 2: 9 × 9 = 81.
Step 3: Calculate 3 × 3. This means you multiply 3 by itself.
Step 4: 3 × 3 = 9.
Step 5: Now, subtract the result of 3 × 3 from the result of 9 × 9. This means you take 81 and subtract 9 from it.
Step 6: 81 - 9 = 72.
Basic Arithmetic Operations
– The question tests the ability to perform multiplication and subtraction.
Order of Operations
– Understanding the correct sequence of operations is crucial, although this question is straightforward.
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