starter Set 82 Form Exercise

? → [×2] → 14

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Answer: 7

SubType
find-input
Rule
×2
Input
7
Output
14
Difficulty
starter

? → [+2] → 7

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Answer: 5

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

? → [+5] → 12

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Answer: 7

SubType
find-input
Rule
+5
Input
7
Output
12
Difficulty
starter

Input: 9 → [-1] → ?

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Answer: 8

SubType
find-output
Rule
-1
Input
9
Output
8
Difficulty
starter

? → [×3] → 12

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Answer: 4

SubType
find-input
Rule
×3
Input
4
Output
12
Difficulty
starter

Input: 1 → [×5] → ?

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Answer: 5

SubType
find-output
Rule
×5
Input
1
Output
5
Difficulty
starter

Input: 8 → [?] → 5, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
8
Output
5
Difficulty
starter

? → [×3] → 24

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Answer: 8

SubType
find-input
Rule
×3
Input
8
Output
24
Difficulty
starter