medium Set 17 Form Exercise

? → [+4 ×2] → 20

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Answer: 6

SubType
find-input
Rule
+4 ×2
Input
6
Output
20
Difficulty
medium

Input: 7 → [-3] → ?

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Answer: 4

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

? → [×2 + 3] → 23

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Answer: 10

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

Input: 5 → [?] → 10, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
5
Output
10
Difficulty
medium

Input: 3 → [+4 ×2] → ?

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Answer: 14

SubType
find-output
Rule
+4 ×2
Input
3
Output
14
Difficulty
medium

? → [-3] → 1

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Answer: 4

SubType
find-input
Rule
-3
Input
4
Output
1
Difficulty
medium

Input: 3 → [-3] → ?

SubType
find-output
Rule
-3
Input
3
Output
0
Difficulty
medium

Input: 1 → [?] → 3, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
1
Output
3
Difficulty
medium