9 ,0.9,0.09,0.009是否为等比数列
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 04:42:44
9 ,0.9,0.09,0.009是否为等比数列
9 ,0.9,0.09,0.009是否为等比数列
9 ,0.9,0.09,0.009是否为等比数列
an=9*(1/10)^(n-1) (n≥1)
是的 1:0.1
是的,等比是1/10
是的,公比为0.1
不知道,哈哈
是。是公比为0.1的等比数列。
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来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 04:42:44
9 ,0.9,0.09,0.009是否为等比数列
9 ,0.9,0.09,0.009是否为等比数列
9 ,0.9,0.09,0.009是否为等比数列
an=9*(1/10)^(n-1) (n≥1)
是的 1:0.1
是的,等比是1/10
是的,公比为0.1
不知道,哈哈
是。是公比为0.1的等比数列。