B Set 14 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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        "operation": "math-bingo",
        "subject": "arithmetic",
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        "problems": [
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                "type": "math-bingo",
                "subType": "math-bingo",
                "difficulty": "easy",
                "question": "Math Bingo! Solve: 6 + 14 = ? Mark the answer on the bingo card. Card rows: RED: [18, 21, 15, 3]; BLUE: [9, 24, 20, 19]; GREEN: [25, 7, 10, 6]; YELLOW: [16, 14, 2, 22]",
                "answer": "20",
                "expression": "6 + 14",
                "target": 20,
                "card": [
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                        24,
                        20,
                        19
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                    [
                        25,
                        7,
                        10,
                        6
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                        16,
                        14,
                        2,
                        22
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    "_archetype": "form-exercise",
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