一道初一数学题(探索规律)观察下列一组按一定规律排列的式子:-a^2,a^5/2,-(a^8/3),a^11/4,…其中a不等于0,则第n个式子是( )
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![一道初一数学题(探索规律)观察下列一组按一定规律排列的式子:-a^2,a^5/2,-(a^8/3),a^11/4,…其中a不等于0,则第n个式子是( )](/uploads/image/z/251941-13-1.jpg?t=%E4%B8%80%E9%81%93%E5%88%9D%E4%B8%80%E6%95%B0%E5%AD%A6%E9%A2%98%EF%BC%88%E6%8E%A2%E7%B4%A2%E8%A7%84%E5%BE%8B%EF%BC%89%E8%A7%82%E5%AF%9F%E4%B8%8B%E5%88%97%E4%B8%80%E7%BB%84%E6%8C%89%E4%B8%80%E5%AE%9A%E8%A7%84%E5%BE%8B%E6%8E%92%E5%88%97%E7%9A%84%E5%BC%8F%E5%AD%90%EF%BC%9A-a%5E2%2Ca%5E5%2F2%2C-%28a%5E8%2F3%29%2Ca%5E11%2F4%2C%E2%80%A6%E5%85%B6%E4%B8%ADa%E4%B8%8D%E7%AD%89%E4%BA%8E0%2C%E5%88%99%E7%AC%ACn%E4%B8%AA%E5%BC%8F%E5%AD%90%E6%98%AF%EF%BC%88+%EF%BC%89)
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