B Set 40 Unknown

This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.

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                "operator": "+",
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                "answer": 59
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                "operator": "+",
                "question": "28 + 50 = ___",
                "answer": 78
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            {
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                "operator": "+",
                "question": "1 + 38 = ___",
                "answer": 39
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                "answer": 87
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