✔ 最佳答案
1) A,D,G,J,___ (ABCDEFGHIJKLM...)
So the ans. is M
2) 1,3,6,10,___ (1 +2 = 3; 3+3 = 6; 6+4 = 10, 10 +5 = 15...)
So the ans. is 15
3)1,1,2,3,5,___ (0+1= 1; 1+1 = 2; 1+2 = 3; 2+3=5; 3+5 = 8...)
So the ans. is 8
4)21,20,18,15,11___ (21-1 = 20; 20-2 = 18; 18-3 = 15; 15-4 = 11; 11-5 = 6...)
So the ans. is 6
5)8,6,7,5,6,4,___ (8-2 = 6; 6+1 = 7; 7-2 = 5; 5+1 = 6; 6-2 = 4; 4+1 = 5...)
So the ans. is 5
6)65536,256,16,___ (65536 開方 = 256; 256 開方 = 16; 16 開方 = 4...)
So the ans. is 4
7)1,0,-1,0,___ (1-1 = 0; 0-1 = -1; -1+1 = 0; 0+1 =1...)
So the ans. is 1
8)3968,63,8,3,___ (3968+1, 再開方, = 63; 63+1, 再 開方 = 8; 8+1, 再 開方 = 3, 3+1, 再 開方 = 2...)
So the ans. is 2
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