hard Set 50 Form Exercise

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            "declaredLevel": "hard",
            "computedScore": 26,
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                "problemCount": 8,
                "operation": "math-crossword",
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    "operation": "math-crossword",
    "subject": "arithmetic",
    "difficulty": "hard",
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    "problems": [
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "hard",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 49 ÷ 7 = ? (1 digit); Across 2: 11 + 16 = ? (2 digits); Down 1: 7 - 5 = ? (1 digit); Down 2: 6 - 1 = ? (1 digit)",
            "answer": "Across 1: 7, Across 2: 27, Down 1: 2, Down 2: 5",
            "clues": {
                "across": [
                    {
                        "number": 1,
                        "expr": "49 ÷ 7",
                        "answer": 7
                    },
                    {
                        "number": 2,
                        "expr": "11 + 16",
                        "answer": 27
                    }
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                "down": [
                    {
                        "number": 1,
                        "expr": "7 - 5",
                        "answer": 2
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                        "number": 2,
                        "expr": "6 - 1",
                        "answer": 5
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        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "hard",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 24 ÷ 6 = ? (1 digit); Across 2: 15 - 11 = ? (1 digit); Down 1: 17 + 12 = ? (2 digits); Down 2: 15 - 10 = ? (1 digit)",
            "answer": "Across 1: 4, Across 2: 4, Down 1: 29, Down 2: 5",
            "clues": {
                "across": [
                    {
                        "number": 1,
                        "expr": "24 ÷ 6",
                        "answer": 4
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                    {
                        "number": 2,
                        "expr": "15 - 11",
                        "answer": 4
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                "down": [
                    {
                        "number": 1,
                        "expr": "17 + 12",
                        "answer": 29
                    },
                    {
                        "number": 2,
                        "expr": "15 - 10",
                        "answer": 5
                    }
                ]
            }
        },
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "hard",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 13 - 10 = ? (1 digit); Across 2: 10 × 7 = ? (2 digits); Down 1: 16 ÷ 2 = ? (1 digit); Down 2: 12 ÷ 2 = ? (1 digit)",
            "answer": "Across 1: 3, Across 2: 70, Down 1: 8, Down 2: 6",
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                        "number": 1,
                        "expr": "13 - 10",
                        "answer": 3
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                        "number": 2,
                        "expr": "10 × 7",
                        "answer": 70
                    }
                ],
                "down": [
                    {
                        "number": 1,
                        "expr": "16 ÷ 2",
                        "answer": 8
                    },
                    {
                        "number": 2,
                        "expr": "12 ÷ 2",
                        "answer": 6
                    }
                ]
            }
        },
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "hard",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 9 × 2 = ? (2 digits); Across 2: 2 × 5 = ? (2 digits); Down 1: 16 + 14 = ? (2 digits); Down 2: 4 + 11 = ? (2 digits)",
            "answer": "Across 1: 18, Across 2: 10, Down 1: 30, Down 2: 15",
            "clues": {
                "across": [
                    {
                        "number": 1,
                        "expr": "9 × 2",
                        "answer": 18
                    },
                    {
                        "number": 2,
                        "expr": "2 × 5",
                        "answer": 10
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                ],
                "down": [
                    {
                        "number": 1,
                        "expr": "16 + 14",
                        "answer": 30
                    },
                    {
                        "number": 2,
                        "expr": "4 + 11",
                        "answer": 15
                    }
                ]
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        },
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "hard",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 54 ÷ 9 = ? (1 digit); Across 2: 28 ÷ 7 = ? (1 digit); Down 1: 25 ÷ 5 = ? (1 digit); Down 2: 2 + 1 = ? (1 digit)",
            "answer": "Across 1: 6, Across 2: 4, Down 1: 5, Down 2: 3",
            "clues": {
                "across": [
                    {
                        "number": 1,
                        "expr": "54 ÷ 9",
                        "answer": 6
                    },
                    {
                        "number": 2,
                        "expr": "28 ÷ 7",
                        "answer": 4
                    }
                ],
                "down": [
                    {
                        "number": 1,
                        "expr": "25 ÷ 5",
                        "answer": 5
                    },
                    {
                        "number": 2,
                        "expr": "2 + 1",
                        "answer": 3
                    }
                ]
            }
        },
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "hard",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 9 - 6 = ? (1 digit); Across 2: 9 × 3 = ? (2 digits); Down 1: 4 × 2 = ? (1 digit); Down 2: 2 × 9 = ? (2 digits)",
            "answer": "Across 1: 3, Across 2: 27, Down 1: 8, Down 2: 18",
            "clues": {
                "across": [
                    {
                        "number": 1,
                        "expr": "9 - 6",
                        "answer": 3
                    },
                    {
                        "number": 2,
                        "expr": "9 × 3",
                        "answer": 27
                    }
                ],
                "down": [
                    {
                        "number": 1,
                        "expr": "4 × 2",
                        "answer": 8
                    },
                    {
                        "number": 2,
                        "expr": "2 × 9",
                        "answer": 18
                    }
                ]
            }
        },
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "hard",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 12 - 2 = ? (2 digits); Across 2: 22 - 1 = ? (2 digits); Down 1: 56 ÷ 7 = ? (1 digit); Down 2: 10 × 8 = ? (2 digits)",
            "answer": "Across 1: 10, Across 2: 21, Down 1: 8, Down 2: 80",
            "clues": {
                "across": [
                    {
                        "number": 1,
                        "expr": "12 - 2",
                        "answer": 10
                    },
                    {
                        "number": 2,
                        "expr": "22 - 1",
                        "answer": 21
                    }
                ],
                "down": [
                    {
                        "number": 1,
                        "expr": "56 ÷ 7",
                        "answer": 8
                    },
                    {
                        "number": 2,
                        "expr": "10 × 8",
                        "answer": 80
                    }
                ]
            }
        },
        {
            "type": "math-crossword",
            "subType": "math-crossword",
            "difficulty": "hard",
            "question": "Math Crossword: Fill each answer in the crossword grid as digits. Across 1: 10 - 1 = ? (1 digit); Across 2: 9 × 4 = ? (2 digits); Down 1: 5 × 7 = ? (2 digits); Down 2: 36 ÷ 4 = ? (1 digit)",
            "answer": "Across 1: 9, Across 2: 36, Down 1: 35, Down 2: 9",
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                        "number": 1,
                        "expr": "10 - 1",
                        "answer": 9
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                    {
                        "number": 2,
                        "expr": "9 × 4",
                        "answer": 36
                    }
                ],
                "down": [
                    {
                        "number": 1,
                        "expr": "5 × 7",
                        "answer": 35
                    },
                    {
                        "number": 2,
                        "expr": "36 ÷ 4",
                        "answer": 9
                    }
                ]
            }
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