Subtraction Number Range Within 50 — Set 80

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            {
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                "operand1": 47,
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                "operator": "-",
                "question": "47 - 4 = ___",
                "answer": 43
            },
            {
                "id": 4,
                "operand1": 34,
                "operand2": 23,
                "operator": "-",
                "question": "34 - 23 = ___",
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                "question": "4 - 3 = ___",
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            {
                "id": 6,
                "operand1": 29,
                "operand2": 7,
                "operator": "-",
                "question": "29 - 7 = ___",
                "answer": 22
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            {
                "id": 7,
                "operand1": 36,
                "operand2": 4,
                "operator": "-",
                "question": "36 - 4 = ___",
                "answer": 32
            },
            {
                "id": 8,
                "operand1": 6,
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                "question": "6 - 1 = ___",
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                "answer": 2
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                "id": 10,
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                "operand2": 3,
                "operator": "-",
                "question": "27 - 3 = ___",
                "answer": 24
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                "id": 11,
                "operand1": 13,
                "operand2": 2,
                "operator": "-",
                "question": "13 - 2 = ___",
                "answer": 11
            },
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                "id": 12,
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                "question": "13 - 2 = ___",
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                "operand1": 33,
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                "question": "33 - 22 = ___",
                "answer": 11
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                "operand1": 8,
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                "question": "8 - 1 = ___",
                "answer": 7,
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                "id": 15,
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                "question": "15 - 11 = ___",
                "answer": 4
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                "id": 16,
                "operand1": 49,
                "operand2": 3,
                "operator": "-",
                "question": "49 - 3 = ___",
                "answer": 46
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                "operand1": 19,
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                "operator": "-",
                "question": "19 - 4 = ___",
                "answer": 15
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                "answer": 26
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                "answer": 8
            },
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                "operand1": 36,
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                "operator": "-",
                "question": "36 - 26 = ___",
                "answer": 10
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