4,-2,10,-14,34,-62...;  1,-2,4,-8,16,-32这两组的第五十个数是?

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4,-2,10,-14,34,-62...;  1,-2,4,-8,16,-32这两组的第五十个数是?4,-2,10,-14,34,-62...;  1,-2,4,-8,16,-32这两组的第五十个数

4,-2,10,-14,34,-62...;  1,-2,4,-8,16,-32这两组的第五十个数是?
4,-2,10,-14,34,-62...;  1,-2,4,-8,16,-32
这两组的第五十个数是?

4,-2,10,-14,34,-62...;  1,-2,4,-8,16,-32这两组的第五十个数是?

先找出规律来,就好做了   第一组是-280;第二组是(-2)的49次方,也就是-
562949953421312

4,-2,10,-14,34,-62.求第50个数 -4,2,-10,14,-34,62.第八个数是多少? -4,2,-10,14,-34,62.第八个数是多少 找规律 4,负2,10,负14,34,负62. 4,-2,10,-14,34,-62...;  1,-2,4,-8,16,-32这两组的第五十个数是? 观察下面三行数:2,-4,8,-16,32,-64,...;① 4,-2,10,-14,34,-62...;②观察下面三行数:①2,-4,8,-16,32,-64,...; ② 4,-2,10,-14,34,-62...③1,-2,4,-8,16,-32,...写出每行第五十个数要有列式 2,-4,8,-16,32,-64.(1) 4,-2,10,-14,34,-62.(2) 1,-2,4 ,-8,16,-32.2,-4,8,-16,32,-64.(1)4,-2,10,-14,34,-62.(2)1,-2,4 ,-8,16,-32.(3)1),第(1)行第8个数为( ),第2行第8个数为( ),第3行第8个数为( ) ;2), 观察下面三行数 (1),2,-4,8,-16,32,-64.(2) 4,-2,10,-14,34,-62...(3)1,-观察下面三行数(1),2,-4,8,-16,32,-64.(2) 4,-2,10,-14,34,-62...(3)1,-2,4,-8,16,-32.第一题.第3行中是否存在连续的三个数,使得三个 观察下面三行数:2,-4,8,-16,32,-64,...;① 4,-2,10,-14,34,-62...;②1,-2,4,-8,16,-32,...③(1)第①行第8个数为-----;第②行第8个数为-------;第③行第8个数为-------(2)第③行中是否存在连续的三个数, -4,2,-10,14,-34,.有什么规律 -4,2,-10,14,-34,62的规律 1,4,-2,10,-14,34之间有什么规律? -4,2,-10,14,-34有什么规律 -4,2,-10,14,-34,第n个数是多少 观察下面三行数(主要题目看题) 要求;简单好认!不要太长!我直接抄的!就这样,坐等!① 2 -4 8 -16 32 -64.② 4 -2 10 -14 34 -62.③ 1 -2 4 -8 16 -32.求题:(1)第①行第八个数为-------第②行第八个数 ①2,-4,8,-16,32,-64...②4,-2,10,-14,34,-62...③1,-2,4,-8,16,-32...问:第一行第八个数是什么?第二行第八个数是什么 第三行第八个数是什么?问:第三行中是否存在连续的三个数使得三个数的和为768?若存 2,-4,8,-16,32,-64.① 4,-2,10,-14,34,-62.② 1,-2,4,-8,16,-32.③看补充的问题.(1)第①行的第8个数为()第②行的第8个数没()第③行的第8个数为().(2)第③行中是否存在连续的三个数使得三个数 行测数列 2 4 10 14 20 26 34下一个数是什么