B Set 78 Unknown

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                "operand2": 16.3,
                "question": "8.3 + 16.3 = ?",
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                "operand2": 4.2,
                "question": "15.5 - 4.2 = ?",
                "answer": 11.3,
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                "type": "decimals",
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                "id": 5,
                "type": "decimals",
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                "question": "7.9 × 9.3 = ?",
                "answer": 73.47,
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                "id": 6,
                "type": "decimals",
                "subType": "divide",
                "operand1": 39.8,
                "operand2": 2,
                "question": "39.8 ÷ 2 = ?",
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                "id": 7,
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                "id": 8,
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                "question": "0.1 - 0.1 = ?",
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                "id": 9,
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                "question": "17.7 × 0.2 = ?",
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                "id": 10,
                "type": "decimals",
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                "question": "1.4 × 2 = ?",
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                "id": 11,
                "type": "decimals",
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                "question": "3.8 × 3.3 = ?",
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                "operand1": 5.6,
                "operand2": 3.6,
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                "id": 13,
                "type": "decimals",
                "subType": "divide",
                "operand1": 89,
                "operand2": 5,
                "question": "89.0 ÷ 5 = ?",
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                "id": 14,
                "type": "decimals",
                "subType": "add",
                "operand1": 4,
                "operand2": 6.2,
                "question": "4.0 + 6.2 = ?",
                "answer": 10.2,
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                "id": 15,
                "type": "decimals",
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                "operand1": 12.8,
                "operand2": 2.6,
                "question": "12.8 × 2.6 = ?",
                "answer": 33.28,
                "correctAnswer": "33.28",
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                "id": 16,
                "type": "decimals",
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                "operand1": 15.8,
                "operand2": 15.3,
                "question": "15.8 - 15.3 = ?",
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                "id": 17,
                "type": "decimals",
                "subType": "divide",
                "operand1": 42,
                "operand2": 4,
                "question": "42.0 ÷ 4 = ?",
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                "id": 19,
                "type": "decimals",
                "subType": "divide",
                "operand1": 22.4,
                "operand2": 8,
                "question": "22.4 ÷ 8 = ?",
                "answer": 2.8,
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                "id": 20,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 4.5,
                "operand2": 9,
                "question": "4.5 × 9 = ?",
                "answer": 40.5,
                "correctAnswer": "40.5",
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