B Set 50 Unknown

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                "question": "3/8 ÷ 2/3 = ?",
                "answer": "9/16",
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                "question": "Simplify 2/4 = ?",
                "answer": "1/2",
                "correctAnswer": "1/2",
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                "subType": "add",
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                "denominator2": 3,
                "question": "3/5 + 2/3 = ?",
                "answer": "19/15",
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                "id": 4,
                "type": "fractions",
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                "denominator1": 7,
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                "denominator2": 2,
                "question": "1/7 × 1/2 = ?",
                "answer": "1/14",
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                "type": "fractions",
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                "question": "1/2 + 5/6 = ?",
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                "id": 6,
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                "id": 7,
                "type": "fractions",
                "subType": "multiply",
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                "denominator1": 7,
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                "question": "2/7 × 2/3 = ?",
                "answer": "4/21",
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                "id": 8,
                "type": "fractions",
                "subType": "add",
                "numerator1": 1,
                "denominator1": 6,
                "numerator2": 5,
                "denominator2": 6,
                "question": "1/6 + 5/6 = ?",
                "answer": "1",
                "correctAnswer": "1",
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                "id": 9,
                "type": "fractions",
                "subType": "divide",
                "numerator1": 4,
                "denominator1": 5,
                "numerator2": 1,
                "denominator2": 2,
                "question": "4/5 ÷ 1/2 = ?",
                "answer": "8/5",
                "correctAnswer": "8/5",
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                "id": 10,
                "type": "fractions",
                "subType": "divide",
                "numerator1": 3,
                "denominator1": 5,
                "numerator2": 1,
                "denominator2": 6,
                "question": "3/5 ÷ 1/6 = ?",
                "answer": "18/5",
                "correctAnswer": "18/5",
                "difficulty": "normal"
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                "id": 11,
                "type": "fractions",
                "subType": "simplify",
                "numerator1": 2,
                "denominator1": 4,
                "numerator2": 1,
                "denominator2": 2,
                "question": "Simplify 6/12 = ?",
                "answer": "2/4",
                "correctAnswer": "2/4",
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                "id": 12,
                "type": "fractions",
                "subType": "multiply",
                "numerator1": 1,
                "denominator1": 3,
                "numerator2": 1,
                "denominator2": 2,
                "question": "1/3 × 1/2 = ?",
                "answer": "1/6",
                "correctAnswer": "1/6",
                "difficulty": "normal"
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                "id": 13,
                "type": "fractions",
                "subType": "subtract",
                "numerator1": 3,
                "denominator1": 8,
                "numerator2": 1,
                "denominator2": 3,
                "question": "3/8 - 1/3 = ?",
                "answer": "1/24",
                "correctAnswer": "1/24",
                "difficulty": "normal"
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                "id": 14,
                "type": "fractions",
                "subType": "simplify",
                "numerator1": 1,
                "denominator1": 3,
                "numerator2": 1,
                "denominator2": 8,
                "question": "Simplify 3/9 = ?",
                "answer": "1/3",
                "correctAnswer": "1/3",
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                "id": 15,
                "type": "fractions",
                "subType": "divide",
                "numerator1": 2,
                "denominator1": 4,
                "numerator2": 2,
                "denominator2": 5,
                "question": "2/4 ÷ 2/5 = ?",
                "answer": "5/4",
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                "id": 16,
                "type": "fractions",
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                "numerator1": 1,
                "denominator1": 6,
                "numerator2": 2,
                "denominator2": 3,
                "question": "1/6 × 2/3 = ?",
                "answer": "1/9",
                "correctAnswer": "1/9",
                "difficulty": "normal"
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                "id": 17,
                "type": "fractions",
                "subType": "divide",
                "numerator1": 3,
                "denominator1": 4,
                "numerator2": 1,
                "denominator2": 2,
                "question": "3/4 ÷ 1/2 = ?",
                "answer": "3/2",
                "correctAnswer": "3/2",
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                "denominator1": 3,
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                "denominator2": 7,
                "question": "1/3 ÷ 1/7 = ?",
                "answer": "7/3",
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                "id": 19,
                "type": "fractions",
                "subType": "simplify",
                "numerator1": 1,
                "denominator1": 2,
                "numerator2": 1,
                "denominator2": 3,
                "question": "Simplify 4/8 = ?",
                "answer": "1/2",
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                "type": "fractions",
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                "denominator1": 3,
                "numerator2": 2,
                "denominator2": 5,
                "question": "1/3 ÷ 2/5 = ?",
                "answer": "5/6",
                "correctAnswer": "5/6",
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