starter Set 79 Form Exercise

Input: 10 → [×2] → ?

Show answer

Answer: 20

SubType
find-output
Rule
×2
Input
10
Output
20
Difficulty
starter

? → [-3] → 5

Show answer

Answer: 8

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

? → [×3] → 12

Show answer

Answer: 4

SubType
find-input
Rule
×3
Input
4
Output
12
Difficulty
starter

Input: 7 → [+10] → ?

Show answer

Answer: 17

SubType
find-output
Rule
+10
Input
7
Output
17
Difficulty
starter

Input: 8 → [+2] → ?

Show answer

Answer: 10

SubType
find-output
Rule
+2
Input
8
Output
10
Difficulty
starter

? → [+2] → 3

Show answer

Answer: 1

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

Input: 9 → [-1] → ?

Show answer

Answer: 8

SubType
find-output
Rule
-1
Input
9
Output
8
Difficulty
starter

? → [×2] → 4

Show answer

Answer: 2

SubType
find-input
Rule
×2
Input
2
Output
4
Difficulty
starter