medium Set 37 Form Exercise

Input: 4 → [+5] → ?

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Answer: 9

SubType
find-output
Rule
+5
Input
4
Output
9
Difficulty
medium

? → [×3 - 2] → 28

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Answer: 10

SubType
find-input
Rule
×3 - 2
Input
10
Output
28
Difficulty
medium

? → [×3] → 21

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Answer: 7

SubType
find-input
Rule
×3
Input
7
Output
21
Difficulty
medium

? → [×2 + 3] → 15

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Answer: 6

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

? → [×2 + 3] → 17

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Answer: 7

SubType
find-input
Rule
×2 + 3
Input
7
Output
17
Difficulty
medium

? → [-3] → 7

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Answer: 10

SubType
find-input
Rule
-3
Input
10
Output
7
Difficulty
medium

Input: 4 → [×3 - 2] → ?

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Answer: 10

SubType
find-output
Rule
×3 - 2
Input
4
Output
10
Difficulty
medium