medium Set 53 Form Exercise

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            "pairs": [
                {
                    "expr": "8-3",
                    "value": 5
                },
                {
                    "expr": "7x3",
                    "value": 21
                },
                {
                    "expr": "5-2",
                    "value": 3
                },
                {
                    "expr": "3x4",
                    "value": 12
                },
                {
                    "expr": "6+9",
                    "value": 15
                }
            ],
            "answer": "8-3=5; 7x3=21; 5-2=3; 3x4=12; 6+9=15",
            "question": "Match each expression with its answer: 8-3=?, 7x3=?, 5-2=?, 3x4=?, 6+9=?",
            "difficulty": "medium"
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        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
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                    "expr": "9x4",
                    "value": 36
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                {
                    "expr": "3-1",
                    "value": 2
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                {
                    "expr": "3x2",
                    "value": 6
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                {
                    "expr": "9+8",
                    "value": 17
                },
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                    "expr": "6x8",
                    "value": 48
                }
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            "answer": "9x4=36; 3-1=2; 3x2=6; 9+8=17; 6x8=48",
            "question": "Match each expression with its answer: 9x4=?, 3-1=?, 3x2=?, 9+8=?, 6x8=?",
            "difficulty": "medium"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "10-7",
                    "value": 3
                },
                {
                    "expr": "3+4",
                    "value": 7
                },
                {
                    "expr": "2-1",
                    "value": 1
                },
                {
                    "expr": "4-4",
                    "value": 0
                },
                {
                    "expr": "3x2",
                    "value": 6
                }
            ],
            "answer": "10-7=3; 3+4=7; 2-1=1; 4-4=0; 3x2=6",
            "question": "Match each expression with its answer: 10-7=?, 3+4=?, 2-1=?, 4-4=?, 3x2=?",
            "difficulty": "medium"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "5x5",
                    "value": 25
                },
                {
                    "expr": "10+9",
                    "value": 19
                },
                {
                    "expr": "5x4",
                    "value": 20
                },
                {
                    "expr": "9+4",
                    "value": 13
                },
                {
                    "expr": "2-2",
                    "value": 0
                }
            ],
            "answer": "5x5=25; 10+9=19; 5x4=20; 9+4=13; 2-2=0",
            "question": "Match each expression with its answer: 5x5=?, 10+9=?, 5x4=?, 9+4=?, 2-2=?",
            "difficulty": "medium"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "9-1",
                    "value": 8
                },
                {
                    "expr": "7+4",
                    "value": 11
                },
                {
                    "expr": "4+10",
                    "value": 14
                },
                {
                    "expr": "5x8",
                    "value": 40
                },
                {
                    "expr": "9+9",
                    "value": 18
                }
            ],
            "answer": "9-1=8; 7+4=11; 4+10=14; 5x8=40; 9+9=18",
            "question": "Match each expression with its answer: 9-1=?, 7+4=?, 4+10=?, 5x8=?, 9+9=?",
            "difficulty": "medium"
        },
        {
            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "6-4",
                    "value": 2
                },
                {
                    "expr": "6x9",
                    "value": 54
                },
                {
                    "expr": "10+3",
                    "value": 13
                },
                {
                    "expr": "8x6",
                    "value": 48
                },
                {
                    "expr": "9-1",
                    "value": 8
                }
            ],
            "answer": "6-4=2; 6x9=54; 10+3=13; 8x6=48; 9-1=8",
            "question": "Match each expression with its answer: 6-4=?, 6x9=?, 10+3=?, 8x6=?, 9-1=?",
            "difficulty": "medium"
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            "type": "math-match",
            "subType": "math-match",
            "pairs": [
                {
                    "expr": "3x4",
                    "value": 12
                },
                {
                    "expr": "1+5",
                    "value": 6
                },
                {
                    "expr": "5x8",
                    "value": 40
                },
                {
                    "expr": "6x5",
                    "value": 30
                },
                {
                    "expr": "3-3",
                    "value": 0
                }
            ],
            "answer": "3x4=12; 1+5=6; 5x8=40; 6x5=30; 3-3=0",
            "question": "Match each expression with its answer: 3x4=?, 1+5=?, 5x8=?, 6x5=?, 3-3=?",
            "difficulty": "medium"
        },
        {
            "type": "math-match",
            "subType": "math-match",
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                {
                    "expr": "3-2",
                    "value": 1
                },
                {
                    "expr": "1+4",
                    "value": 5
                },
                {
                    "expr": "6x6",
                    "value": 36
                },
                {
                    "expr": "9+10",
                    "value": 19
                },
                {
                    "expr": "9x2",
                    "value": 18
                }
            ],
            "answer": "3-2=1; 1+4=5; 6x6=36; 9+10=19; 9x2=18",
            "question": "Match each expression with its answer: 3-2=?, 1+4=?, 6x6=?, 9+10=?, 9x2=?",
            "difficulty": "medium"
        }
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