Subtraction Number Range Within 500 — Set 35

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            "operation": "subtraction",
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                "id": 1,
                "operand1": 497,
                "operand2": 351,
                "operator": "-",
                "question": "497 - 351 = ___",
                "answer": 146
            },
            {
                "id": 2,
                "operand1": 287,
                "operand2": 40,
                "operator": "-",
                "question": "287 - 40 = ___",
                "answer": 247
            },
            {
                "id": 3,
                "operand1": 49,
                "operand2": 25,
                "operator": "-",
                "question": "49 - 25 = ___",
                "answer": 24
            },
            {
                "id": 4,
                "operand1": 89,
                "operand2": 57,
                "operator": "-",
                "question": "89 - 57 = ___",
                "answer": 32
            },
            {
                "id": 5,
                "operand1": 493,
                "operand2": 92,
                "operator": "-",
                "question": "493 - 92 = ___",
                "answer": 401
            },
            {
                "id": 6,
                "operand1": 497,
                "operand2": 420,
                "operator": "-",
                "question": "497 - 420 = ___",
                "answer": 77
            },
            {
                "id": 7,
                "operand1": 58,
                "operand2": 38,
                "operator": "-",
                "question": "58 - 38 = ___",
                "answer": 20
            },
            {
                "id": 8,
                "operand1": 7,
                "operand2": 4,
                "operator": "-",
                "question": "7 - 4 = ___",
                "answer": 3,
                "visualIntent": {
                    "layout": "picture-equation",
                    "operation": "subtract",
                    "items": [
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                            "count": 7,
                            "role": "groupA"
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            {
                "id": 9,
                "operand1": 498,
                "operand2": 81,
                "operator": "-",
                "question": "498 - 81 = ___",
                "answer": 417
            },
            {
                "id": 10,
                "operand1": 261,
                "operand2": 241,
                "operator": "-",
                "question": "261 - 241 = ___",
                "answer": 20
            },
            {
                "id": 11,
                "operand1": 175,
                "operand2": 141,
                "operator": "-",
                "question": "175 - 141 = ___",
                "answer": 34
            },
            {
                "id": 12,
                "operand1": 329,
                "operand2": 22,
                "operator": "-",
                "question": "329 - 22 = ___",
                "answer": 307
            },
            {
                "id": 13,
                "operand1": 357,
                "operand2": 6,
                "operator": "-",
                "question": "357 - 6 = ___",
                "answer": 351
            },
            {
                "id": 14,
                "operand1": 498,
                "operand2": 220,
                "operator": "-",
                "question": "498 - 220 = ___",
                "answer": 278
            },
            {
                "id": 15,
                "operand1": 229,
                "operand2": 16,
                "operator": "-",
                "question": "229 - 16 = ___",
                "answer": 213
            },
            {
                "id": 16,
                "operand1": 282,
                "operand2": 180,
                "operator": "-",
                "question": "282 - 180 = ___",
                "answer": 102
            },
            {
                "id": 17,
                "operand1": 228,
                "operand2": 223,
                "operator": "-",
                "question": "228 - 223 = ___",
                "answer": 5
            },
            {
                "id": 18,
                "operand1": 37,
                "operand2": 22,
                "operator": "-",
                "question": "37 - 22 = ___",
                "answer": 15
            },
            {
                "id": 19,
                "operand1": 479,
                "operand2": 376,
                "operator": "-",
                "question": "479 - 376 = ___",
                "answer": 103
            },
            {
                "id": 20,
                "operand1": 298,
                "operand2": 206,
                "operator": "-",
                "question": "298 - 206 = ___",
                "answer": 92
            }
        ],
        "layout": {
            "columns": 2,
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    "_archetype": "form-exercise",
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