medium Set 30 Form Exercise

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            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "medium",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 3 × 5 = ? (2 digits); Across 2: 10 + 4 = ? (2 digits); Down 1: 7 × 7 = ? (2 digits); Down 2: 12 - 3 = ? (1 digit)",
            "answer": "Across 1: 15, Across 2: 14, Down 1: 49, Down 2: 9",
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                        "number": 1,
                        "expr": "3 × 5",
                        "answer": 15
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                        "expr": "10 + 4",
                        "answer": 14
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                "down": [
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                        "number": 1,
                        "expr": "7 × 7",
                        "answer": 49
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                        "expr": "12 - 3",
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        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "medium",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 11 - 7 = ? (1 digit); Across 2: 6 × 3 = ? (2 digits); Down 1: 8 - 5 = ? (1 digit); Down 2: 2 + 9 = ? (2 digits)",
            "answer": "Across 1: 4, Across 2: 18, Down 1: 3, Down 2: 11",
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                        "number": 1,
                        "expr": "11 - 7",
                        "answer": 4
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                        "number": 2,
                        "expr": "6 × 3",
                        "answer": 18
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                "down": [
                    {
                        "number": 1,
                        "expr": "8 - 5",
                        "answer": 3
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                        "number": 2,
                        "expr": "2 + 9",
                        "answer": 11
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            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "medium",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 12 - 8 = ? (1 digit); Across 2: 15 - 9 = ? (1 digit); Down 1: 4 + 6 = ? (2 digits); Down 2: 10 × 6 = ? (2 digits)",
            "answer": "Across 1: 4, Across 2: 6, Down 1: 10, Down 2: 60",
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                        "number": 1,
                        "expr": "12 - 8",
                        "answer": 4
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                        "number": 2,
                        "expr": "15 - 9",
                        "answer": 6
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                "down": [
                    {
                        "number": 1,
                        "expr": "4 + 6",
                        "answer": 10
                    },
                    {
                        "number": 2,
                        "expr": "10 × 6",
                        "answer": 60
                    }
                ]
            }
        },
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "medium",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 3 × 8 = ? (2 digits); Across 2: 14 - 8 = ? (1 digit); Down 1: 3 × 6 = ? (2 digits); Down 2: 7 - 2 = ? (1 digit)",
            "answer": "Across 1: 24, Across 2: 6, Down 1: 18, Down 2: 5",
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                "across": [
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                        "number": 1,
                        "expr": "3 × 8",
                        "answer": 24
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                        "number": 2,
                        "expr": "14 - 8",
                        "answer": 6
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                "down": [
                    {
                        "number": 1,
                        "expr": "3 × 6",
                        "answer": 18
                    },
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                        "number": 2,
                        "expr": "7 - 2",
                        "answer": 5
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        },
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "medium",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 7 - 1 = ? (1 digit); Across 2: 13 - 9 = ? (1 digit); Down 1: 6 - 1 = ? (1 digit); Down 2: 9 × 3 = ? (2 digits)",
            "answer": "Across 1: 6, Across 2: 4, Down 1: 5, Down 2: 27",
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                        "number": 1,
                        "expr": "7 - 1",
                        "answer": 6
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                        "number": 2,
                        "expr": "13 - 9",
                        "answer": 4
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                "down": [
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                        "number": 1,
                        "expr": "6 - 1",
                        "answer": 5
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                        "number": 2,
                        "expr": "9 × 3",
                        "answer": 27
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            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "medium",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 10 - 9 = ? (1 digit); Across 2: 12 × 4 = ? (2 digits); Down 1: 3 + 5 = ? (1 digit); Down 2: 12 - 7 = ? (1 digit)",
            "answer": "Across 1: 1, Across 2: 48, Down 1: 8, Down 2: 5",
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                        "number": 1,
                        "expr": "10 - 9",
                        "answer": 1
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                        "number": 2,
                        "expr": "12 × 4",
                        "answer": 48
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                "down": [
                    {
                        "number": 1,
                        "expr": "3 + 5",
                        "answer": 8
                    },
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                        "number": 2,
                        "expr": "12 - 7",
                        "answer": 5
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            "subType": "math-crossword",
            "difficulty": "medium",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 14 - 3 = ? (2 digits); Across 2: 14 - 1 = ? (2 digits); Down 1: 13 - 1 = ? (2 digits); Down 2: 10 × 9 = ? (2 digits)",
            "answer": "Across 1: 11, Across 2: 13, Down 1: 12, Down 2: 90",
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                    {
                        "number": 1,
                        "expr": "14 - 3",
                        "answer": 11
                    },
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                        "number": 2,
                        "expr": "14 - 1",
                        "answer": 13
                    }
                ],
                "down": [
                    {
                        "number": 1,
                        "expr": "13 - 1",
                        "answer": 12
                    },
                    {
                        "number": 2,
                        "expr": "10 × 9",
                        "answer": 90
                    }
                ]
            }
        },
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            "difficulty": "medium",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 11 - 9 = ? (1 digit); Across 2: 10 - 6 = ? (1 digit); Down 1: 9 - 1 = ? (1 digit); Down 2: 6 + 7 = ? (2 digits)",
            "answer": "Across 1: 2, Across 2: 4, Down 1: 8, Down 2: 13",
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                        "number": 1,
                        "expr": "11 - 9",
                        "answer": 2
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                        "answer": 4
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                    {
                        "number": 1,
                        "expr": "9 - 1",
                        "answer": 8
                    },
                    {
                        "number": 2,
                        "expr": "6 + 7",
                        "answer": 13
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