找规律;(15,9,18).(13,7,17).(11,5,6).(9( ),( ))
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找规律;(15,9,18).(13,7,17).(11,5,6).(9( ),( ))
找规律;(15,9,18).(13,7,17).(11,5,6).(9( ),( ))
找规律;(15,9,18).(13,7,17).(11,5,6).(9( ),( ))
3 -15
5 10 13 7 ( ) 17 9 18 21 ( )找规律
5,7,10,9,15,11,20,13()()找规律
找规律7,8,10,13,18,[ ],[ ]
找规律;(15,9,18).(13,7,17).(11,5,6).(9( ),( ))
找规律:72,?,18,9
找规律:19 9 18 8 15 7 ()()后面这两个数应该是什么?请说明规律。
找规律11 11 12 13 15 18,() 31
找规律11,11,12,13,15,18,(),31
找规律11,11,12,13,15,18,(),31
3、4、6、9、13、18找规律
找规律 1,6,7,12,13,17,18,()
找规律11、6、13、9、15、12( )、( )
找规律 9,18,15,30,27,54,( ),( )
找规律5,9,10,18,15,27,(),()
15,16,13,19,11,22,( ) ,( ),7,( )...找规律
15,16,13,19,11,22,( ),25,7,( )找规律
找规律 1 3 5 5 9 7 13 ( )
7,9,11,13找规律,第n个数是?