easy Set 97 Form Exercise

Input: 4 → [×2] → ?

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Answer: 8

SubType
find-output
Rule
×2
Input
4
Output
8
Difficulty
easy

? → [+2] → 3

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Answer: 1

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

? → [+10] → 18

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Answer: 8

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

? → [+10] → 20

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Answer: 10

SubType
find-input
Rule
+10
Input
10
Output
20
Difficulty
easy

Input: 2 → [+5] → ?

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Answer: 7

SubType
find-output
Rule
+5
Input
2
Output
7
Difficulty
easy

Input: 4 → [×3] → ?

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Answer: 12

SubType
find-output
Rule
×3
Input
4
Output
12
Difficulty
easy

Input: 3 → [-3] → ?

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

Input: 2 → [×3] → ?

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Answer: 6

SubType
find-output
Rule
×3
Input
2
Output
6
Difficulty
easy