Workbook Detail
Function Machine Subtraction Medium — Set 42
Input: 4 → [?] → 8, what is the rule?
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Answer: ×2
- SubType
- find-rule
- Rule
- ×2
- Input
- 4
- Output
- 8
- Difficulty
- medium
? → [×2] → 18
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Answer: 9
- SubType
- find-input
- Rule
- ×2
- Input
- 9
- Output
- 18
- Difficulty
- medium
? → [+10] → 15
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Answer: 5
- SubType
- find-input
- Rule
- +10
- Input
- 5
- Output
- 15
- Difficulty
- medium
Input: 7 → [+4 ×2] → ?
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Answer: 22
- SubType
- find-output
- Rule
- +4 ×2
- Input
- 7
- Output
- 22
- Difficulty
- medium
Input: 10 → [-3] → ?
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Answer: 7
- SubType
- find-output
- Rule
- -3
- Input
- 10
- Output
- 7
- Difficulty
- medium
Input: 8 → [×2] → ?
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Answer: 16
- SubType
- find-output
- Rule
- ×2
- Input
- 8
- Output
- 16
- Difficulty
- medium
Input: 1 → [×5] → ?
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Answer: 5
- SubType
- find-output
- Rule
- ×5
- Input
- 1
- Output
- 5
- Difficulty
- medium
? → [×2] → 4
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Answer: 2
- SubType
- find-input
- Rule
- ×2
- Input
- 2
- Output
- 4
- Difficulty
- medium
Teaching Notes
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