2,3,5,8,13( )( )找规律

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2,3,5,8,13()()找规律2,3,5,8,13()()找规律2,3,5,8,13()()找规律2+3=53+5=85+8=13所以2,3,5,8,13(21)(34)2,3,5,8,13,21

2,3,5,8,13( )( )找规律
2,3,5,8,13( )( )找规律

2,3,5,8,13( )( )找规律
2+3=5
3+5=8
5+8=13
所以 2,3,5,8,13( 21)(34 )

2,3,5,8,13,21,34,第三个数是前两数和

5=2+3.8=3+5.13=5+8
后面填21.34