公务员数列题目42 .1 ,3,4,1,9,( ) A .5 B .11 C .14 D .64 43 .0 ,9,26,65,124,( ) A .165 B .193 C .217 D .239 44 .0 ,4,16,40,80,( ) A .160 B .128 C .136 D .140 45 .0 ,2,10,30,( ) A .68 B .74 C .60 D
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![公务员数列题目42 .1 ,3,4,1,9,( ) A .5 B .11 C .14 D .64 43 .0 ,9,26,65,124,( ) A .165 B .193 C .217 D .239 44 .0 ,4,16,40,80,( ) A .160 B .128 C .136 D .140 45 .0 ,2,10,30,( ) A .68 B .74 C .60 D](/uploads/image/z/55715-59-5.jpg?t=%E5%85%AC%E5%8A%A1%E5%91%98%E6%95%B0%E5%88%97%E9%A2%98%E7%9B%AE42+.1+%2C3%2C4%2C1%2C9%2C%EF%BC%88+%EF%BC%89+A+%EF%BC%8E5+B+%EF%BC%8E11+C+%EF%BC%8E14+D+%EF%BC%8E64+43+.0+%2C9%2C26%2C65%2C124%2C%EF%BC%88+%EF%BC%89+A+%EF%BC%8E165+B+%EF%BC%8E193+C+%EF%BC%8E217+D+%EF%BC%8E239+44+.0+%2C4%2C16%2C40%2C80%2C%EF%BC%88+%EF%BC%89+A+%EF%BC%8E160+B+%EF%BC%8E128+C+%EF%BC%8E136+D+%EF%BC%8E140+45+.0+%2C2%2C10%2C30%2C%EF%BC%88+%EF%BC%89+A+%EF%BC%8E68+B+%EF%BC%8E74+C+%EF%BC%8E60+D)
公务员数列题目42 .1 ,3,4,1,9,( ) A .5 B .11 C .14 D .64 43 .0 ,9,26,65,124,( ) A .165 B .193 C .217 D .239 44 .0 ,4,16,40,80,( ) A .160 B .128 C .136 D .140 45 .0 ,2,10,30,( ) A .68 B .74 C .60 D
公务员数列题目
42 .1 ,3,4,1,9,( )
A .5 B .11 C .14 D .64
43 .0 ,9,26,65,124,( )
A .165 B .193 C .217 D .239
44 .0 ,4,16,40,80,( )
A .160 B .128 C .136 D .140
45 .0 ,2,10,30,( )
A .68 B .74 C .60 D .70
请把具体的解题步骤写清楚.
公务员数列题目42 .1 ,3,4,1,9,( ) A .5 B .11 C .14 D .64 43 .0 ,9,26,65,124,( ) A .165 B .193 C .217 D .239 44 .0 ,4,16,40,80,( ) A .160 B .128 C .136 D .140 45 .0 ,2,10,30,( ) A .68 B .74 C .60 D
42:d
(3-1)*(3-1)=4
(4-3)*(4-3)=1
(1-4)*(1-4)=9
(9-1)*(9-1)=64
43:c
0=1*1*1-1
9=2*2*2+1
26=3*3*3-1
65=4*4*4+1
124=5*5*5-1
217=6*6*6+1
44:d
3级等差数列
0 4 16 40 80 140
4 12 24 40 60
8 12 16 20
45:a
0 2 10 30 68
2 8 20 38
6 12 18