B Set 34 Unknown

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                "id": 3,
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                "operand1": 20,
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                "question": "20 × 4.9 = ?",
                "answer": 98,
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                "id": 4,
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                "operand1": 58,
                "operand2": 5,
                "question": "58.0 ÷ 5 = ?",
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                "id": 5,
                "type": "decimals",
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                "operand2": 7,
                "question": "18.2 ÷ 7 = ?",
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                "id": 6,
                "type": "decimals",
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                "question": "2.9 - 2.9 = ?",
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                "id": 7,
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                "question": "18.3 + 2.3 = ?",
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                "id": 9,
                "type": "decimals",
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                "operand1": 98.4,
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                "question": "98.4 ÷ 8 = ?",
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                "id": 10,
                "type": "decimals",
                "subType": "add",
                "operand1": 19.7,
                "operand2": 0.7,
                "question": "19.7 + 0.7 = ?",
                "answer": 20.4,
                "correctAnswer": "20.4",
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                "id": 11,
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                "id": 13,
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                "operand2": 3,
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                "id": 14,
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                "operand1": 13.2,
                "operand2": 11,
                "question": "13.2 + 11.0 = ?",
                "answer": 24.2,
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                "id": 15,
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                "subType": "divide",
                "operand1": 27,
                "operand2": 10,
                "question": "27.0 ÷ 10 = ?",
                "answer": 2.7,
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                "id": 16,
                "type": "decimals",
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                "operand1": 10.3,
                "operand2": 4.1,
                "question": "10.3 × 4.1 = ?",
                "answer": 42.23,
                "correctAnswer": "42.23",
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                "id": 17,
                "type": "decimals",
                "subType": "divide",
                "operand1": 38.8,
                "operand2": 2,
                "question": "38.8 ÷ 2 = ?",
                "answer": 19.4,
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                "type": "decimals",
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                "operand1": 16.4,
                "operand2": 4.6,
                "question": "16.4 × 4.6 = ?",
                "answer": 75.44,
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                "id": 19,
                "type": "decimals",
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                "operand1": 8.4,
                "operand2": 0.1,
                "question": "8.4 - 0.1 = ?",
                "answer": 8.3,
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                "id": 20,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 2.5,
                "operand2": 3.2,
                "question": "2.5 × 3.2 = ?",
                "answer": 8,
                "correctAnswer": "8",
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