expert Set 66 Form Exercise

? → [+2] → 3

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Answer: 1

SubType
find-input
Rule
+2
Input
1
Output
3
Difficulty
expert

? → [×2 + 3] → 5

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Answer: 1

SubType
find-input
Rule
×2 + 3
Input
1
Output
5
Difficulty
expert

? → [×3 - 2] → 7

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Answer: 3

SubType
find-input
Rule
×3 - 2
Input
3
Output
7
Difficulty
expert

? → [+5] → 15

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Answer: 10

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

Input: 4 → [?] → 3, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
4
Output
3
Difficulty
expert

Input: 1 → [+4 ×2] → ?

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Answer: 10

SubType
find-output
Rule
+4 ×2
Input
1
Output
10
Difficulty
expert

Input: 10 → [?] → 50, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
10
Output
50
Difficulty
expert

Input: 6 → [+4 ×2] → ?

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Answer: 20

SubType
find-output
Rule
+4 ×2
Input
6
Output
20
Difficulty
expert