B Set 83 Unknown

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                "operand2": 6.1,
                "question": "3.2 × 6.1 = ?",
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                "correctAnswer": "19.52",
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                "id": 2,
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                "operand2": 1.6,
                "question": "10.2 - 1.6 = ?",
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                "correctAnswer": "8.6",
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            {
                "id": 3,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 5.6,
                "operand2": 2.7,
                "question": "5.6 - 2.7 = ?",
                "answer": 2.9,
                "correctAnswer": "2.9",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 7.8,
                "operand2": 2,
                "question": "7.8 - 2.0 = ?",
                "answer": 5.8,
                "correctAnswer": "5.8",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "decimals",
                "subType": "add",
                "operand1": 15.4,
                "operand2": 5.7,
                "question": "15.4 + 5.7 = ?",
                "answer": 21.1,
                "correctAnswer": "21.1",
                "difficulty": "normal"
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            {
                "id": 6,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 1.1,
                "operand2": 7.9,
                "question": "1.1 × 7.9 = ?",
                "answer": 8.69,
                "correctAnswer": "8.69",
                "difficulty": "normal"
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            {
                "id": 7,
                "type": "decimals",
                "subType": "divide",
                "operand1": 71.1,
                "operand2": 9,
                "question": "71.1 ÷ 9 = ?",
                "answer": 7.9,
                "correctAnswer": "7.9",
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                "id": 8,
                "type": "decimals",
                "subType": "add",
                "operand1": 12.2,
                "operand2": 5.9,
                "question": "12.2 + 5.9 = ?",
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                "id": 9,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 19.3,
                "operand2": 14.2,
                "question": "19.3 - 14.2 = ?",
                "answer": 5.1,
                "correctAnswer": "5.1",
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            {
                "id": 10,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 0.9,
                "operand2": 1.9,
                "question": "0.9 × 1.9 = ?",
                "answer": 1.71,
                "correctAnswer": "1.71",
                "difficulty": "normal"
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                "id": 11,
                "type": "decimals",
                "subType": "add",
                "operand1": 3.7,
                "operand2": 5.1,
                "question": "3.7 + 5.1 = ?",
                "answer": 8.8,
                "correctAnswer": "8.8",
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                "id": 12,
                "type": "decimals",
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                "operand1": 17.3,
                "operand2": 0.2,
                "question": "17.3 × 0.2 = ?",
                "answer": 3.46,
                "correctAnswer": "3.46",
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                "id": 13,
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                "operand1": 11.2,
                "operand2": 5.8,
                "question": "11.2 - 5.8 = ?",
                "answer": 5.4,
                "correctAnswer": "5.4",
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                "id": 14,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 12.8,
                "operand2": 0.7,
                "question": "12.8 × 0.7 = ?",
                "answer": 8.96,
                "correctAnswer": "8.96",
                "difficulty": "normal"
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            {
                "id": 15,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 19.3,
                "operand2": 1.9,
                "question": "19.3 × 1.9 = ?",
                "answer": 36.67,
                "correctAnswer": "36.67",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "decimals",
                "subType": "divide",
                "operand1": 183,
                "operand2": 10,
                "question": "183.0 ÷ 10 = ?",
                "answer": 18.3,
                "correctAnswer": "18.3",
                "difficulty": "normal"
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                "id": 17,
                "type": "decimals",
                "subType": "add",
                "operand1": 12.9,
                "operand2": 5,
                "question": "12.9 + 5.0 = ?",
                "answer": 17.9,
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                "operand1": 1.9,
                "operand2": 0.3,
                "question": "1.9 - 0.3 = ?",
                "answer": 1.6,
                "correctAnswer": "1.6",
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                "id": 19,
                "type": "decimals",
                "subType": "add",
                "operand1": 7.6,
                "operand2": 5,
                "question": "7.6 + 5.0 = ?",
                "answer": 12.6,
                "correctAnswer": "12.6",
                "difficulty": "normal"
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            {
                "id": 20,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 12.2,
                "operand2": 2.5,
                "question": "12.2 - 2.5 = ?",
                "answer": 9.7,
                "correctAnswer": "9.7",
                "difficulty": "normal"
            }
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