几道数字规律题1.2,8,24,64,( ).A.88 B.98 C.159 D.1603.4,11,30,67,( )
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几道数字规律题
1.2,8,24,64,( ).
A.88 B.98 C.159 D.160
3.4,11,30,67,( ).
A.120 B.110 C.140 D.128
4.11,33,73,( ),231.
A.113 B.137 C.153 D.177
请说明为什么,这些题如何入手好呢?
1.2,8,24,64,( ).
A.88 B.98 C.159 D.160
3.4,11,30,67,( ).
A.120 B.110 C.140 D.128
4.11,33,73,( ),231.
A.113 B.137 C.153 D.177
请说明为什么,这些题如何入手好呢?
1.D
2^1×1=2
2^2×2=8
2^3×3=24
2^4×4=64
2^5×5=160
2.D
1^3+3=4
2^3+3=11
3^3+3=30
4^3+3=67
5^3+3=128
3.B
2^3+3=11
3^3+6=33
4^3+9=73
5^3+12=137
6^3+15=231
2^1×1=2
2^2×2=8
2^3×3=24
2^4×4=64
2^5×5=160
2.D
1^3+3=4
2^3+3=11
3^3+3=30
4^3+3=67
5^3+3=128
3.B
2^3+3=11
3^3+6=33
4^3+9=73
5^3+12=137
6^3+15=231
几道数字规律题1.2,8,24,64,( ).A.88 B.98 C.159 D.1603.4,11,30,67,( )
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