expert Set 64 Form Exercise

? → [+2] → 3

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Answer: 1

SubType
find-input
Rule
+2
Input
1
Output
3
Difficulty
expert

Input: 3 → [?] → 6, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
3
Output
6
Difficulty
expert

? → [×2 + 3] → 23

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Answer: 10

SubType
find-input
Rule
×2 + 3
Input
10
Output
23
Difficulty
expert

Input: 5 → [×3 - 2] → ?

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Answer: 13

SubType
find-output
Rule
×3 - 2
Input
5
Output
13
Difficulty
expert

? → [-1] → 0

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Answer: 1

SubType
find-input
Rule
-1
Input
1
Output
0
Difficulty
expert

Input: 5 → [×2 + 1] → ?

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Answer: 11

SubType
find-output
Rule
×2 + 1
Input
5
Output
11
Difficulty
expert

Input: 1 → [?] → 1, what is the rule?

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Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
1
Output
1
Difficulty
expert

Input: 4 → [?] → 11, what is the rule?

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
4
Output
11
Difficulty
expert