expert Set 83 Form Exercise

? → [+4 ×2] → 14

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Answer: 3

SubType
find-input
Rule
+4 ×2
Input
3
Output
14
Difficulty
expert

? → [×2 + 3] → 13

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Answer: 5

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

Input: 6 → [?] → 12, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
6
Output
12
Difficulty
expert

Input: 9 → [+4 ×2] → ?

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Answer: 26

SubType
find-output
Rule
+4 ×2
Input
9
Output
26
Difficulty
expert

Input: 7 → [?] → 22, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
7
Output
22
Difficulty
expert

? → [×5] → 40

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Answer: 8

SubType
find-input
Rule
×5
Input
8
Output
40
Difficulty
expert

Input: 9 → [+10] → ?

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Answer: 19

SubType
find-output
Rule
+10
Input
9
Output
19
Difficulty
expert

? → [+4 ×2] → 22

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Answer: 7

SubType
find-input
Rule
+4 ×2
Input
7
Output
22
Difficulty
expert