function-machine/addition/medium · 套题 93
8 problems
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1
Input: 7 → [-1] → ?
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2
Input: 1 → [×2 + 1] → ?
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3
Input: 5 → [?] → 10, what is the rule?
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4
Input: 6 → [+2] → ?
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5
? → [×2 + 1] → 9
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6
Input: 7 → [+10] → ?
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7
Input: 7 → [+4 ×2] → ?
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8
Input: 4 → [?] → 9, what is the rule?
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