starter Set 50 Form Exercise

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    "semantics": {
        "solvability": {
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            "solutionCount": 1
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        "difficulty": {
            "declaredLevel": "easy",
            "computedScore": 26,
            "metrics": {
                "problemCount": 8,
                "operation": "math-match",
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    "operation": "math-match",
    "subject": "arithmetic",
    "difficulty": "starter",
    "config": {
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    "problems": [
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "5+2",
                    "value": 7
                },
                {
                    "expr": "9x5",
                    "value": 45
                },
                {
                    "expr": "6x6",
                    "value": 36
                },
                {
                    "expr": "1+8",
                    "value": 9
                },
                {
                    "expr": "8+5",
                    "value": 13
                }
            ],
            "answer": "5+2=7; 9x5=45; 6x6=36; 1+8=9; 8+5=13",
            "question": "Match each expression with its answer: 5+2=?, 9x5=?, 6x6=?, 1+8=?, 8+5=?",
            "difficulty": "starter"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "5-4",
                    "value": 1
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                {
                    "expr": "7-3",
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                {
                    "expr": "3+10",
                    "value": 13
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                {
                    "expr": "9-3",
                    "value": 6
                },
                {
                    "expr": "8x9",
                    "value": 72
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            "answer": "5-4=1; 7-3=4; 3+10=13; 9-3=6; 8x9=72",
            "question": "Match each expression with its answer: 5-4=?, 7-3=?, 3+10=?, 9-3=?, 8x9=?",
            "difficulty": "starter"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "2-2",
                    "value": 0
                },
                {
                    "expr": "7+5",
                    "value": 12
                },
                {
                    "expr": "7x9",
                    "value": 63
                },
                {
                    "expr": "5-3",
                    "value": 2
                },
                {
                    "expr": "4+2",
                    "value": 6
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            ],
            "answer": "2-2=0; 7+5=12; 7x9=63; 5-3=2; 4+2=6",
            "question": "Match each expression with its answer: 2-2=?, 7+5=?, 7x9=?, 5-3=?, 4+2=?",
            "difficulty": "starter"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
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                    "expr": "9x5",
                    "value": 45
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                {
                    "expr": "7-7",
                    "value": 0
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                {
                    "expr": "3-2",
                    "value": 1
                },
                {
                    "expr": "6+8",
                    "value": 14
                },
                {
                    "expr": "4-2",
                    "value": 2
                }
            ],
            "answer": "9x5=45; 7-7=0; 3-2=1; 6+8=14; 4-2=2",
            "question": "Match each expression with its answer: 9x5=?, 7-7=?, 3-2=?, 6+8=?, 4-2=?",
            "difficulty": "starter"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "4x6",
                    "value": 24
                },
                {
                    "expr": "10-1",
                    "value": 9
                },
                {
                    "expr": "5x9",
                    "value": 45
                },
                {
                    "expr": "6-6",
                    "value": 0
                },
                {
                    "expr": "6-5",
                    "value": 1
                }
            ],
            "answer": "4x6=24; 10-1=9; 5x9=45; 6-6=0; 6-5=1",
            "question": "Match each expression with its answer: 4x6=?, 10-1=?, 5x9=?, 6-6=?, 6-5=?",
            "difficulty": "starter"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "6+5",
                    "value": 11
                },
                {
                    "expr": "2+2",
                    "value": 4
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                {
                    "expr": "7-2",
                    "value": 5
                },
                {
                    "expr": "3-3",
                    "value": 0
                },
                {
                    "expr": "7+9",
                    "value": 16
                }
            ],
            "answer": "6+5=11; 2+2=4; 7-2=5; 3-3=0; 7+9=16",
            "question": "Match each expression with its answer: 6+5=?, 2+2=?, 7-2=?, 3-3=?, 7+9=?",
            "difficulty": "starter"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "4+9",
                    "value": 13
                },
                {
                    "expr": "8x7",
                    "value": 56
                },
                {
                    "expr": "2-1",
                    "value": 1
                },
                {
                    "expr": "4-1",
                    "value": 3
                },
                {
                    "expr": "8-1",
                    "value": 7
                }
            ],
            "answer": "4+9=13; 8x7=56; 2-1=1; 4-1=3; 8-1=7",
            "question": "Match each expression with its answer: 4+9=?, 8x7=?, 2-1=?, 4-1=?, 8-1=?",
            "difficulty": "starter"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "5+1",
                    "value": 6
                },
                {
                    "expr": "4+4",
                    "value": 8
                },
                {
                    "expr": "7+2",
                    "value": 9
                },
                {
                    "expr": "5x4",
                    "value": 20
                },
                {
                    "expr": "4-1",
                    "value": 3
                }
            ],
            "answer": "5+1=6; 4+4=8; 7+2=9; 5x4=20; 4-1=3",
            "question": "Match each expression with its answer: 5+1=?, 4+4=?, 7+2=?, 5x4=?, 4-1=?",
            "difficulty": "starter"
        }
    ],
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