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Problem solving involving addition and subtraction
The question content

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In case of an incorrect answer

Problem solving involving addition and subtraction - answer incorrect
The answer result

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Problem solving involving addition and subtraction - solution 1
Step 1
Problem solving involving addition and subtraction - solution 2
Step 2
Problem solving involving addition and subtraction - solution 3
Step 3
Problem solving involving addition and subtraction - solution 4
Step 4

In case of a correct answer

Problem solving involving addition and subtraction - answer correct
Correct result

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