找规律 一:1,3,9,27,81,().二:2,3,4,5,8,7,(),().三:1,1,1,3,5,9,(),()
找规律 一:1,3,9,27,81,().二:2,3,4,5,8,7,(),().三:1,1,1,3,5,9,(),()
四:0,1,2,3,6,11,(),()
五:0,1,3,8,21,55,()
六:2,6,12,20,30,42,()
七:1,2,4,7,11,16,().
八:1,3,6,8,16,18,(),()
备注:每一道题得答案和规律请参照我出题的方式.规律请写清楚.
四:0,1,2,3,6,11,(),()
五:0,1,3,8,21,55,()
六:2,6,12,20,30,42,()
七:1,2,4,7,11,16,().
八:1,3,6,8,16,18,(),()
备注:每一道题得答案和规律请参照我出题的方式.规律请写清楚.
数学人气:839 ℃时间:2019-08-20 21:55:26
优质解答
一.1,3,9,27,81,(243)为3的N次方二:2,3,4,5,8,7,(16),(9).奇数项为2的N次方,偶数项为奇数3,5,7,9..三:1,1,1,3,5,9,(17),(31)每项为其前三项的和 四:0,1,2,3,6,11,(20),(37)每项为其前三项的和 五:0...
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