B Set 31 Unknown

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                "question": "If left side = 8 × 5, what does the right side equal to balance the scale?",
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                "id": 3,
                "type": "balance-scale",
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                "id": 4,
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                "id": 7,
                "type": "balance-scale",
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                "question": "If left side = 3 × 6, what does the right side equal to balance the scale?",
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                "id": 8,
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                "subType": "multiplication-balance",
                "question": "If left side = 5 × 4, what does the right side equal to balance the scale?",
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                "id": 11,
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                "id": 12,
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                "question": "Balance the scale: 4 + 5 = 8 + ?",
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                "id": 13,
                "type": "balance-scale",
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                "question": "Balance the scale: 4 + 1 = 2 + ?",
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                "id": 14,
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                "question": "Balance the scale: 9 + 10 = 1 + ?",
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                "id": 15,
                "type": "balance-scale",
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                "question": "Balance the scale: 6 + 3 = 8 + ?",
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                "id": 16,
                "type": "balance-scale",
                "subType": "multiplication-balance",
                "question": "If left side = 3 × 5, what does the right side equal to balance the scale?",
                "answer": 15,
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                "id": 17,
                "type": "balance-scale",
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                "id": 18,
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                "question": "Balance the scale: 3 + __ = 4",
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                "id": 20,
                "type": "balance-scale",
                "subType": "multiplication-balance",
                "question": "If left side = 3 × 9, what does the right side equal to balance the scale?",
                "answer": 27,
                "correctAnswer": "27",
                "difficulty": "hard"
            }
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