Question

fill the sequence 337, 211, 121, ___, 25,7

Answer 1

Answer:

61

Step-by-step explanation:

7³×3 - 6 = 343-7 = 337  

6³×3 - 5 = 216-5 = 211  

5³×3 - 4 = 125-4 = 121        

4³×3 - 3 = 64 - 3 = 61  ----------------- answer  

3³×3 - 2 =  27 - 2 = 25  

2³×3 - 1 = 8 - 1  = 7

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