Questions and Answers
What is the symbol used for addition?
'+'
How is the sum of 9 and 8 written as an equation?
$9 + 8$
What is the symbol used for subtraction?
'-'
How is the subtraction of 9 from 16 written as an equation?
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How are large numbers added?
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What is the symbol used for addition?
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How is the sum of 5 and 10 written?
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What is the symbol used for subtraction?
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How is the subtraction of 17 and 8 written?
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How is the sum of 5897, 78, 726, and 8569 calculated?
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Study Notes
Basic Arithmetic Operations
- The symbol + is used for addition.
Writing Equations
- The sum of 9 and 8 can be written as the equation 9 + 8.
- The subtraction of 9 from 16 can be written as the equation 16 - 9.
- The sum of 5 and 10 can be written as the equation 5 + 10.
- The subtraction of 17 and 8 can be written as the equation 17 - 8.
Large Number Calculations
- To add large numbers, each number is added separately.
- The sum of 5897, 78, 726, and 8569 can be calculated by adding each number separately.
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