Workbook Detail
Function Machine Division Hard — Set 23
Input: 1 → [×2 + 1] → ?
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Answer: 3
- SubType
- find-output
- Rule
- ×2 + 1
- Input
- 1
- Output
- 3
- Difficulty
- hard
Input: 5 → [?] → 15, what is the rule?
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Answer: ×3
- SubType
- find-rule
- Rule
- ×3
- Input
- 5
- Output
- 15
- Difficulty
- hard
? → [×2 + 3] → 7
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Answer: 2
- SubType
- find-input
- Rule
- ×2 + 3
- Input
- 2
- Output
- 7
- Difficulty
- hard
Input: 1 → [?] → 3, what is the rule?
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Answer: +2
- SubType
- find-rule
- Rule
- +2
- Input
- 1
- Output
- 3
- Difficulty
- hard
Input: 9 → [?] → 21, what is the rule?
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Answer: ×2 + 3
- SubType
- find-rule
- Rule
- ×2 + 3
- Input
- 9
- Output
- 21
- Difficulty
- hard
? → [+5] → 13
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Answer: 8
- SubType
- find-input
- Rule
- +5
- Input
- 8
- Output
- 13
- Difficulty
- hard
Input: 9 → [-3] → ?
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Answer: 6
- SubType
- find-output
- Rule
- -3
- Input
- 9
- Output
- 6
- Difficulty
- hard
? → [×3 - 2] → 19
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Answer: 7
- SubType
- find-input
- Rule
- ×3 - 2
- Input
- 7
- Output
- 19
- Difficulty
- hard
Teaching Notes
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