B Set 68 Unknown

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                "operand2": 2.4,
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                "operand1": 12.5,
                "operand2": 2.9,
                "question": "12.5 - 2.9 = ?",
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                "id": 4,
                "type": "decimals",
                "subType": "add",
                "operand1": 11.1,
                "operand2": 9.1,
                "question": "11.1 + 9.1 = ?",
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                "type": "decimals",
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                "question": "4.7 + 1.6 = ?",
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                "question": "19.3 - 14.3 = ?",
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                "question": "18.4 × 5.3 = ?",
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                "id": 8,
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                "operand1": 7,
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                "id": 9,
                "type": "decimals",
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                "operand1": 4,
                "operand2": 9.5,
                "question": "4 × 9.5 = ?",
                "answer": 38,
                "correctAnswer": "38",
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                "id": 10,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 13.5,
                "operand2": 5.7,
                "question": "13.5 × 5.7 = ?",
                "answer": 76.95,
                "correctAnswer": "76.95",
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                "id": 11,
                "type": "decimals",
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                "operand1": 8.6,
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                "question": "8.6 × 1.6 = ?",
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                "id": 12,
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                "operand1": 5.9,
                "operand2": 7.7,
                "question": "5.9 × 7.7 = ?",
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                "id": 13,
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                "operand1": 1.6,
                "operand2": 4.4,
                "question": "1.6 × 4.4 = ?",
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                "id": 14,
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                "subType": "add",
                "operand1": 10.6,
                "operand2": 10.6,
                "question": "10.6 + 10.6 = ?",
                "answer": 21.2,
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                "id": 15,
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                "operand1": 2.2,
                "operand2": 0.5,
                "question": "2.2 - 0.5 = ?",
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                "id": 16,
                "type": "decimals",
                "subType": "add",
                "operand1": 1.7,
                "operand2": 7.3,
                "question": "1.7 + 7.3 = ?",
                "answer": 9,
                "correctAnswer": "9",
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                "id": 17,
                "type": "decimals",
                "subType": "divide",
                "operand1": 13.4,
                "operand2": 2,
                "question": "13.4 ÷ 2 = ?",
                "answer": 6.7,
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                "id": 18,
                "type": "decimals",
                "subType": "divide",
                "operand1": 23.4,
                "operand2": 2,
                "question": "23.4 ÷ 2 = ?",
                "answer": 11.7,
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                "id": 19,
                "type": "decimals",
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                "operand1": 19.4,
                "operand2": 13.2,
                "question": "19.4 + 13.2 = ?",
                "answer": 32.6,
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                "id": 20,
                "type": "decimals",
                "subType": "add",
                "operand1": 16.3,
                "operand2": 0.5,
                "question": "16.3 + 0.5 = ?",
                "answer": 16.8,
                "correctAnswer": "16.8",
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