Workbook Detail
Function Machine Subtraction Hard — Set 96
Input: 5 → [?] → 18, what is the rule?
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Answer: +4 ×2
- SubType
- find-rule
- Rule
- +4 ×2
- Input
- 5
- Output
- 18
- Difficulty
- hard
? → [×2 + 1] → 9
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Answer: 4
- SubType
- find-input
- Rule
- ×2 + 1
- Input
- 4
- Output
- 9
- Difficulty
- hard
Input: 4 → [×3 - 2] → ?
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Answer: 10
- SubType
- find-output
- Rule
- ×3 - 2
- Input
- 4
- Output
- 10
- Difficulty
- hard
? → [-3] → 2
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Answer: 5
- SubType
- find-input
- Rule
- -3
- Input
- 5
- Output
- 2
- Difficulty
- hard
Input: 1 → [+4 ×2] → ?
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Answer: 10
- SubType
- find-output
- Rule
- +4 ×2
- Input
- 1
- Output
- 10
- Difficulty
- hard
? → [-3] → 7
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Answer: 10
- SubType
- find-input
- Rule
- -3
- Input
- 10
- Output
- 7
- Difficulty
- hard
? → [+4 ×2] → 24
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Answer: 8
- SubType
- find-input
- Rule
- +4 ×2
- Input
- 8
- Output
- 24
- Difficulty
- hard
Input: 6 → [×3 - 2] → ?
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Answer: 16
- SubType
- find-output
- Rule
- ×3 - 2
- Input
- 6
- Output
- 16
- Difficulty
- hard
Teaching Notes
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