数学
最难的公务员数学推理【例题】0,12,24,14,120,16,( ) A.280 B.32 C.64 D.336【例题】0,1,0,5,8,17,19,( ) A.21 B.37 C.102 D.106【例题】67,54,46,35,29,( ) A.13 B.15 C.18 D.20

2019-04-12

最难的公务员数学推理
【例题】0,12,24,14,120,16,( )
A.280 B.32 C.64 D.336
【例题】0,1,0,5,8,17,19,( )
A.21 B.37 C.102 D.106
【例题】67,54,46,35,29,( )
A.13 B.15 C.18 D.20
优质解答
【例题】0,12,24,14,120,16,( )
A.280 B.32 C.64 D.336
答案:D
奇数项为0,24,120,)
0=1^3-1
24=3^3-3
120=5^3-5
(336)=7^3-7
【例题】0,1,0,5,8,17,19,( )
A.21 B.37 C.102 D.106
答案:D
两两现加
0+1 = 1 (5^0)
0+5 = 5 (5^1)
8+17=25 (5^2)
19+(106)=125(5^3)
【例题】67,54,46,35,29,( )
A.13 B.15 C.18 D.20
答案:D
两两现加
67+54 = 121 (11^2)
46+35 = 81 (9^2)
29+(20) = 49 (7^2)
【例题】0,12,24,14,120,16,( )
A.280 B.32 C.64 D.336
答案:D
奇数项为0,24,120,)
0=1^3-1
24=3^3-3
120=5^3-5
(336)=7^3-7
【例题】0,1,0,5,8,17,19,( )
A.21 B.37 C.102 D.106
答案:D
两两现加
0+1 = 1 (5^0)
0+5 = 5 (5^1)
8+17=25 (5^2)
19+(106)=125(5^3)
【例题】67,54,46,35,29,( )
A.13 B.15 C.18 D.20
答案:D
两两现加
67+54 = 121 (11^2)
46+35 = 81 (9^2)
29+(20) = 49 (7^2)
相关标签: 数学 推理 例题
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