medium Set 83 Form Exercise

? → [-1] → 0

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Answer: 1

SubType
find-input
Rule
-1
Input
1
Output
0
Difficulty
medium

? → [×2] → 14

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Answer: 7

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

? → [×5] → 50

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Answer: 10

SubType
find-input
Rule
×5
Input
10
Output
50
Difficulty
medium

? → [×3 - 2] → 22

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Answer: 8

SubType
find-input
Rule
×3 - 2
Input
8
Output
22
Difficulty
medium

Input: 6 → [×2 + 1] → ?

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Answer: 13

SubType
find-output
Rule
×2 + 1
Input
6
Output
13
Difficulty
medium

Input: 10 → [×2 + 1] → ?

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Answer: 21

SubType
find-output
Rule
×2 + 1
Input
10
Output
21
Difficulty
medium

? → [+10] → 11

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Answer: 1

SubType
find-input
Rule
+10
Input
1
Output
11
Difficulty
medium

? → [×2 + 1] → 15

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Answer: 7

SubType
find-input
Rule
×2 + 1
Input
7
Output
15
Difficulty
medium