作业帮What world the next number be?4、7、13、25、49
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What world the next number be?4、7、13、25、49
What world the next number be?4、7、13、25、49
What world the next number be?4、7、13、25、49
差成等比数列.
3、6、12、24,所以,下一个差是48.
所以,49+48=97,next number is 97.
97
4 7 13 25 49
后项减去前项分别是：3 6 12 24，他们后项又是前项的2被，所以就是：49+24×2=97
97.49*2-1=97
97.依次为数差的2倍。
7与4差3.
13与7差6.
25与13差12.
49与25差24.
那么下一个数应该是49+48 = 97.
望采纳哦 O(∩_∩)O~
97
差成等比数列。
两个数字的差距分别为3、6、12、24，所以，下一个差是48.
所以，49+48=97，next number is 97.
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