找规律 3,7,15,31,63,___,255
找规律 3,7,15,31,63,___,255
找规律:0,7,26,63,___,215
找规律;1-3-7-15-31-()
3 7 15 31 63( ),如何找规律?
1,3,7,15,31,63,( ),( )找规律
找规律3,7,15,31,63,( ),225...
找规律 3,5,9,17,___,___,129,.
找规律 -1,1/2,-3,1/4,-5,6/1,-7,8/1 ,-___ ,___,___,
找规律.6.25,2.5,1,___,___,0.064 7,3.5,1.75,___,___
找规律,写单词.1one,three,___,___,___.2biue,white,___,___,___.3teac
找规律填数 1,3,7,15,63,×,×
1,3,7,15,( ),63找规律