4.0.5,1,2,5,17,107,( )a.1947b.1945c.1943d.1941

日期:2021-07-26 06:18:09 人气:1

4.0.5,1,2,5,17,107,( )a.1947b.1945c.1943d.1941

选C 1943
规律是:两数积+两数和=下一个数
(0.5*1)+(0.5+1)=2
( 1*2)+( 1+2 ) =5
( 2*5)+( 2+5 ) =17
(5*17)+(5+17) =107
(17*107)+(17+107)=1943
    A+
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