3 , 7 , 15 , 31 , 63 , ?
Answers
Answered by
8
Answer:
127
Step-by-step explanation:
series of
×2+1
it can help you
Answered by
6
Answer:
137
Step-by-step explanation:
Process is
3+4=7
7+8=15
15+16=31
31+32=63
63+64=137
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