B Set 58 Unknown

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                "id": 5,
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                "question": "18.9 × 5.6 = ?",
                "answer": 105.84,
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                "operand2": 13.1,
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                "id": 15,
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                "operand1": 4.4,
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                "operand1": 18.4,
                "operand2": 2.8,
                "question": "18.4 × 2.8 = ?",
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                "operand1": 5.5,
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                "operand1": 18,
                "operand2": 2,
                "question": "18.0 + 2.0 = ?",
                "answer": 20,
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                "id": 20,
                "type": "decimals",
                "subType": "divide",
                "operand1": 45.9,
                "operand2": 9,
                "question": "45.9 ÷ 9 = ?",
                "answer": 5.1,
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