starter Set 80 Form Exercise

? → [+10] → 18

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Answer: 8

SubType
find-input
Rule
+10
Input
8
Output
18
Difficulty
starter

? → [-3] → 5

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Answer: 8

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

? → [+2] → 5

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Answer: 3

SubType
find-input
Rule
+2
Input
3
Output
5
Difficulty
starter

Input: 10 → [×5] → ?

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Answer: 50

SubType
find-output
Rule
×5
Input
10
Output
50
Difficulty
starter

? → [-1] → 5

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Answer: 6

SubType
find-input
Rule
-1
Input
6
Output
5
Difficulty
starter

Input: 6 → [?] → 3, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
6
Output
3
Difficulty
starter

? → [×3] → 24

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Answer: 8

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

Input: 10 → [?] → 20, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
10
Output
20
Difficulty
starter