Workbook Detail
Function Machine Subtraction Hard — Set 66
Input: 8 → [?] → 10, what is the rule?
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Answer: +2
- SubType
- find-rule
- Rule
- +2
- Input
- 8
- Output
- 10
- Difficulty
- hard
? → [-1] → 2
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Answer: 3
- SubType
- find-input
- Rule
- -1
- Input
- 3
- Output
- 2
- Difficulty
- hard
Input: 10 → [?] → 30, what is the rule?
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Answer: ×3
- SubType
- find-rule
- Rule
- ×3
- Input
- 10
- Output
- 30
- Difficulty
- hard
Input: 8 → [?] → 7, what is the rule?
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Answer: -1
- SubType
- find-rule
- Rule
- -1
- Input
- 8
- Output
- 7
- Difficulty
- hard
? → [×5] → 10
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Answer: 2
- SubType
- find-input
- Rule
- ×5
- Input
- 2
- Output
- 10
- Difficulty
- hard
Input: 8 → [+4 ×2] → ?
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Answer: 24
- SubType
- find-output
- Rule
- +4 ×2
- Input
- 8
- Output
- 24
- Difficulty
- hard
Input: 3 → [×3] → ?
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Answer: 9
- SubType
- find-output
- Rule
- ×3
- Input
- 3
- Output
- 9
- Difficulty
- hard
? → [+2] → 3
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Answer: 1
- SubType
- find-input
- Rule
- +2
- Input
- 1
- Output
- 3
- Difficulty
- hard
Teaching Notes
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