根據(jù)1 +2 =3
3 +4 =7
7 +8 =15
15+16=31
31+32=63
所以(31)
找規(guī)律:1,3,7,15,( ),63.
找規(guī)律:1,3,7,15,( ),63.
數(shù)學(xué)人氣:530 ℃時間:2019-08-20 22:01:21
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