Subtraction Number Range Within 50 — Set 68

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            {
                "id": 4,
                "operand1": 48,
                "operand2": 28,
                "operator": "-",
                "question": "48 - 28 = ___",
                "answer": 20
            },
            {
                "id": 5,
                "operand1": 15,
                "operand2": 5,
                "operator": "-",
                "question": "15 - 5 = ___",
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            },
            {
                "id": 6,
                "operand1": 38,
                "operand2": 32,
                "operator": "-",
                "question": "38 - 32 = ___",
                "answer": 6
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                "id": 7,
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                "id": 8,
                "operand1": 49,
                "operand2": 25,
                "operator": "-",
                "question": "49 - 25 = ___",
                "answer": 24
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                "id": 9,
                "operand1": 29,
                "operand2": 17,
                "operator": "-",
                "question": "29 - 17 = ___",
                "answer": 12
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            {
                "id": 10,
                "operand1": 14,
                "operand2": 13,
                "operator": "-",
                "question": "14 - 13 = ___",
                "answer": 1
            },
            {
                "id": 11,
                "operand1": 36,
                "operand2": 11,
                "operator": "-",
                "question": "36 - 11 = ___",
                "answer": 25
            },
            {
                "id": 12,
                "operand1": 7,
                "operand2": 6,
                "operator": "-",
                "question": "7 - 6 = ___",
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                "id": 13,
                "operand1": 32,
                "operand2": 11,
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                "question": "32 - 11 = ___",
                "answer": 21
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                "id": 14,
                "operand1": 2,
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                "question": "2 - 1 = ___",
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            {
                "id": 15,
                "operand1": 31,
                "operand2": 30,
                "operator": "-",
                "question": "31 - 30 = ___",
                "answer": 1
            },
            {
                "id": 16,
                "operand1": 3,
                "operand2": 2,
                "operator": "-",
                "question": "3 - 2 = ___",
                "answer": 1,
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                "operand2": 10,
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                "question": "15 - 10 = ___",
                "answer": 5
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                "id": 18,
                "operand1": 13,
                "operand2": 3,
                "operator": "-",
                "question": "13 - 3 = ___",
                "answer": 10
            },
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                "id": 19,
                "operand1": 4,
                "operand2": 2,
                "operator": "-",
                "question": "4 - 2 = ___",
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                "operand1": 26,
                "operand2": 15,
                "operator": "-",
                "question": "26 - 15 = ___",
                "answer": 11
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