function-machine/subtraction-easy · Set 46

7 problems
1
Input: 10 → [?] → 30, what is the rule? =
2
? → [+2] → 4 =
3
Input: 9 → [?] → 8, what is the rule? =
4
Input: 10 → [×5] → ? =
5
Input: 10 → [?] → 20, what is the rule? =
6
Input: 6 → [+10] → ? =
7
Input: 1 → [+2] → ? =
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