expert Set 90 Form Exercise

Input: 9 → [+4 ×2] → ?

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Answer: 26

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

Input: 7 → [-3] → ?

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Answer: 4

SubType
find-output
Rule
-3
Input
7
Output
4
Difficulty
expert

Input: 3 → [?] → 5, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
3
Output
5
Difficulty
expert

? → [+5] → 11

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Answer: 6

SubType
find-input
Rule
+5
Input
6
Output
11
Difficulty
expert

Input: 4 → [+4 ×2] → ?

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Answer: 16

SubType
find-output
Rule
+4 ×2
Input
4
Output
16
Difficulty
expert

? → [×2] → 6

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Answer: 3

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

? → [-1] → 2

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Answer: 3

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

? → [+10] → 15

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Answer: 5

SubType
find-input
Rule
+10
Input
5
Output
15
Difficulty
expert