medium Set 59 Form Exercise

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                8,
                16,
                32,
                64
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            "difficulty": "normal",
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                6,
                11,
                16,
                21
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            "difficulty": "normal",
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                11,
                15,
                19,
                23
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                9,
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                23,
                30
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            "difficulty": "normal",
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                17,
                18,
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                20,
                21
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            "correctAnswer": "22",
            "difficulty": "normal",
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                10,
                2,
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            "correctAnswer": "-22",
            "difficulty": "normal",
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                4,
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                7,
                10,
                13,
                16
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            "question": "What comes next in the pattern? 4, 7, 10, 13, 16, __",
            "answer": 19,
            "correctAnswer": "19",
            "difficulty": "normal",
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                "category": "fruits",
                "label": "19"
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