function-machine/subtraction/easy · Sada 79

7 problems
1
Input: 10 → [-3] → ? =
2
Input: 1 → [+2] → ? =
3
Input: 2 → [+5] → ? =
4
Input: 7 → [?] → 21, what is the rule? =
5
? → [+2] → 8 =
6
Input: 8 → [?] → 7, what is the rule? =
7
Input: 5 → [×5] → ? =
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