Subtraction Number Range Within 75 — Set 49

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        "config": {
            "maxNumber": 75,
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            "maxSum": 75
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                "id": 1,
                "operand1": 47,
                "operand2": 32,
                "operator": "-",
                "question": "47 - 32 = ___",
                "answer": 15
            },
            {
                "id": 2,
                "operand1": 39,
                "operand2": 24,
                "operator": "-",
                "question": "39 - 24 = ___",
                "answer": 15
            },
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                "operand1": 8,
                "operand2": 6,
                "operator": "-",
                "question": "8 - 6 = ___",
                "answer": 2,
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                    "crossedCount": 6
                }
            },
            {
                "id": 4,
                "operand1": 24,
                "operand2": 22,
                "operator": "-",
                "question": "24 - 22 = ___",
                "answer": 2
            },
            {
                "id": 5,
                "operand1": 14,
                "operand2": 3,
                "operator": "-",
                "question": "14 - 3 = ___",
                "answer": 11
            },
            {
                "id": 6,
                "operand1": 7,
                "operand2": 3,
                "operator": "-",
                "question": "7 - 3 = ___",
                "answer": 4,
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                    "crossedCount": 3
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            },
            {
                "id": 7,
                "operand1": 72,
                "operand2": 21,
                "operator": "-",
                "question": "72 - 21 = ___",
                "answer": 51
            },
            {
                "id": 8,
                "operand1": 53,
                "operand2": 33,
                "operator": "-",
                "question": "53 - 33 = ___",
                "answer": 20
            },
            {
                "id": 9,
                "operand1": 66,
                "operand2": 22,
                "operator": "-",
                "question": "66 - 22 = ___",
                "answer": 44
            },
            {
                "id": 10,
                "operand1": 4,
                "operand2": 2,
                "operator": "-",
                "question": "4 - 2 = ___",
                "answer": 2,
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            },
            {
                "id": 11,
                "operand1": 75,
                "operand2": 20,
                "operator": "-",
                "question": "75 - 20 = ___",
                "answer": 55
            },
            {
                "id": 12,
                "operand1": 23,
                "operand2": 12,
                "operator": "-",
                "question": "23 - 12 = ___",
                "answer": 11
            },
            {
                "id": 13,
                "operand1": 14,
                "operand2": 4,
                "operator": "-",
                "question": "14 - 4 = ___",
                "answer": 10
            },
            {
                "id": 14,
                "operand1": 72,
                "operand2": 71,
                "operator": "-",
                "question": "72 - 71 = ___",
                "answer": 1
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                "id": 15,
                "operand1": 12,
                "operand2": 10,
                "operator": "-",
                "question": "12 - 10 = ___",
                "answer": 2
            },
            {
                "id": 16,
                "operand1": 5,
                "operand2": 4,
                "operator": "-",
                "question": "5 - 4 = ___",
                "answer": 1,
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                    "crossedCount": 4
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            },
            {
                "id": 17,
                "operand1": 28,
                "operand2": 4,
                "operator": "-",
                "question": "28 - 4 = ___",
                "answer": 24
            },
            {
                "id": 18,
                "operand1": 5,
                "operand2": 3,
                "operator": "-",
                "question": "5 - 3 = ___",
                "answer": 2,
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            },
            {
                "id": 19,
                "operand1": 56,
                "operand2": 14,
                "operator": "-",
                "question": "56 - 14 = ___",
                "answer": 42
            },
            {
                "id": 20,
                "operand1": 14,
                "operand2": 1,
                "operator": "-",
                "question": "14 - 1 = ___",
                "answer": 13
            }
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