Subtraction Number Range Within 50 — Set 77

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                "operand1": 17,
                "operand2": 12,
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                "question": "17 - 12 = ___",
                "answer": 5
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                "id": 7,
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                "question": "46 - 35 = ___",
                "answer": 11
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                "id": 8,
                "operand1": 28,
                "operand2": 16,
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                "question": "28 - 16 = ___",
                "answer": 12
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            {
                "id": 9,
                "operand1": 49,
                "operand2": 28,
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                "question": "49 - 28 = ___",
                "answer": 21
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                "id": 10,
                "operand1": 46,
                "operand2": 44,
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                "operand1": 26,
                "operand2": 13,
                "operator": "-",
                "question": "26 - 13 = ___",
                "answer": 13
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                "id": 14,
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                "question": "47 - 1 = ___",
                "answer": 46
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                "id": 15,
                "operand1": 23,
                "operand2": 1,
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                "question": "23 - 1 = ___",
                "answer": 22
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                "operand1": 24,
                "operand2": 11,
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                "question": "24 - 11 = ___",
                "answer": 13
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