B Set 59 Unknown

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                "question": "13.9 × 1.9 = ?",
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                "type": "decimals",
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                "question": "7.3 × 3.6 = ?",
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                "id": 5,
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                "subType": "divide",
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                "operand2": 4,
                "question": "39.6 ÷ 4 = ?",
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                "id": 9,
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                "question": "9.7 + 7.0 = ?",
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                "id": 10,
                "type": "decimals",
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                "id": 14,
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                "id": 15,
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                "question": "13.2 + 0.8 = ?",
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                "id": 16,
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                "operand1": 10.9,
                "operand2": 14,
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                "id": 17,
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                "operand2": 8,
                "question": "16.8 ÷ 8 = ?",
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                "operand2": 5.3,
                "question": "9.5 + 5.3 = ?",
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                "id": 20,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 13.7,
                "operand2": 3,
                "question": "13.7 - 3.0 = ?",
                "answer": 10.7,
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