找规律在括号里填数:1,3,4,9,7( )、( ),15,13 括号里应填几?

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找规律在括号里填数:1,3,4,9,7( )、( ),15,13 括号里应填几?

找规律在括号里填数:1,3,4,9,7( )、( ),15,13 括号里应填几?
找规律在括号里填数:1,3,4,9,7( )、( ),15,13 括号里应填几?

找规律在括号里填数:1,3,4,9,7( )、( ),15,13 括号里应填几?
1,3,4,9,7,( 12 ),( 10 ) 15,13