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
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![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](/uploads/image/z/113372-44-2.jpg?t=%E8%A7%82%E5%AF%9F%E4%B8%8B%E9%9D%A2%E4%B8%89%E8%A1%8C%E6%95%B0%EF%BC%9A2%2C-4%2C8%2C-16%2C32%2C-64%2C...%EF%BC%9B%E2%91%A0+4%2C-2%2C10%2C-14%2C34%2C-62...%EF%BC%9B%E2%91%A1%E8%A7%82%E5%AF%9F%E4%B8%8B%E9%9D%A2%E4%B8%89%E8%A1%8C%E6%95%B0%EF%BC%9A%E2%91%A02%2C-4%2C8%2C-16%2C32%2C-64%2C...%EF%BC%9B+%E2%91%A1+4%2C-2%2C10%2C-14%2C34%2C-62...%E2%91%A21%2C-2%2C4%2C-8%2C16%2C-32%2C...%E5%86%99%E5%87%BA%E6%AF%8F%E8%A1%8C%E7%AC%AC%E4%BA%94%E5%8D%81%E4%B8%AA%E6%95%B0%E8%A6%81%E6%9C%89%E5%88%97%E5%BC%8F)
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