B Set 74 Unknown

This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.

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                    {
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                "answer": 10,
                "question": "Number Chain: 4 → -1 → -2 → -1 → +10 → ?",
                "difficulty": "medium"
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            {
                "type": "number-chain",
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                "answer": 48,
                "question": "Number Chain: 4 → x2 → x4 → -20 → x4 → ?",
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                "type": "number-chain",
                "subType": "number-chain",
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                "answer": 66,
                "question": "Number Chain: 10 → -6 → x5 → +2 → x3 → ?",
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                "question": "Number Chain: 6 → -5 → +7 → -1 → -4 → ?",
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                "type": "number-chain",
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                        "op": "x",
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                "answer": 47,
                "question": "Number Chain: 6 → +4 → +3 → x4 → -5 → ?",
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                "type": "number-chain",
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                "answer": 90,
                "question": "Number Chain: 6 → x5 → +10 → x3 → -30 → ?",
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                        "op": "-",
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                        "op": "-",
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                "answer": 7,
                "question": "Number Chain: 3 → -1 → x5 → -2 → -1 → ?",
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    "_archetype": "form-exercise",
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