expert Set 92 Form Exercise

? → [+2] → 7

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Answer: 5

SubType
find-input
Rule
+2
Input
5
Output
7
Difficulty
expert

Input: 9 → [?] → 26, what is the rule?

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Answer: +4 ×2

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

Input: 3 → [×2 + 3] → ?

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Answer: 9

SubType
find-output
Rule
×2 + 3
Input
3
Output
9
Difficulty
expert

Input: 7 → [+5] → ?

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Answer: 12

SubType
find-output
Rule
+5
Input
7
Output
12
Difficulty
expert

? → [+2] → 6

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Answer: 4

SubType
find-input
Rule
+2
Input
4
Output
6
Difficulty
expert

? → [×2 + 3] → 15

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Answer: 6

SubType
find-input
Rule
×2 + 3
Input
6
Output
15
Difficulty
expert

? → [×2 + 1] → 3

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Answer: 1

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

Input: 8 → [×2 + 3] → ?

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Answer: 19

SubType
find-output
Rule
×2 + 3
Input
8
Output
19
Difficulty
expert