Q 1: Find the missing number: 9 + ? = 15 Answer:

Q 2: Find the missing number: 6 + ? = 13 Answer:

Q 3: Find the missing number: 0 + ? = 2 Answer:

Q 4: Find the missing number: 9 + ? = 16 Answer:

Q 5: Find the missing number: 2 + ? = 2 Answer:

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