中国关于越战的电影:8 ,12, 24, 60, ().

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请问括号里的数字应该是多少.
65,37,17,().
2,8,5,6,8,(),11.

8 ,12, 24, 60, (72).

65,37,17,(25).
2,8,5,6,8,(5),11.

168
8,12,12+4*3=24,24+12*3=60,60+36*3=168;
5
8*8+1=65,6*6+1=37,4*4+1=17,2*2+1=5;;
4
2,8,5,6,8,4,11 ; 2,5,8,11 ; 8,6,4

8 X 1.5 = 12
12 X 2 = 24
24 X 2.5 = 60
60 X 3 = 180
所以 括号里的数字为 180

8 12 24 60 (168)
24 = 12+(12-8)*3
60 = 24+(24-12)*3
168 = 60+(60-24)*3

65 37 17 (5)
65 = 7*9+2
37 = 7*(9-4)+2
17 = (7-4)*(9-4)+2
5 = (7-4)*(5-4)+2

2 8 5 6 8 (4) 11
2 5 8 11
8 6 4

8 ,12, 24, 60, (128)
65,37,17,(10)
2,8,5,6,8,(4),11.

8 ,12, 24, 60,(168)
8+4=12+4×3=24+4×6=60+4×12=168