medium Set 33 Form Exercise

? → [×2 + 3] → 9

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Answer: 3

SubType
find-input
Rule
×2 + 3
Input
3
Output
9
Difficulty
medium

Input: 2 → [×5] → ?

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Answer: 10

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

Input: 9 → [?] → 8, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
9
Output
8
Difficulty
medium

? → [+10] → 15

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Answer: 5

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

? → [×3 - 2] → 16

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Answer: 6

SubType
find-input
Rule
×3 - 2
Input
6
Output
16
Difficulty
medium

Input: 3 → [-3] → ?

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

? → [+2] → 7

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Answer: 5

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

Input: 1 → [?] → 0, what is the rule?

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Answer: -1

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