文档介绍：指数函数及其性质 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 引题引题 1: 1:某种细胞分裂时,由 1个分裂成 2个, 2 个分裂成 4个…… 1个这样的细胞分裂 x次后, 得到的细胞个数与 x的关系式是什么? Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 分裂次数细胞总数 1次2次3次4次x次…… xy2?个 2 个 4个 8个 162 x 2 12 22 32 4 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 想一想一尺之锤,日取其半,万世不竭! 一尺之锤,日取其半,万世不竭! ------- ------- 庄子庄子 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 引题引题 2: 2:一把长为 1的尺子第一次截去它的一半, 第二次截去剩余部分的一半,第三次截去第二次剩余部分的一半,依次截下去,问截的次数与剩下的尺子长度之间的关系. Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 截取次数木棰剩余 1次2次3次4次x次尺 2 1尺 4 1尺 8 1尺 16 1尺 x)2 1( xy)2 1(? Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 引题 3:国际象棋中有六十个格子,假如在第一个格子中放 3粒麦子,第二个格子中放 9粒麦子,第三个格子中放 27粒麦子,以此规律,那么在第 x个格子中应放多少粒麦子? 3 xy? Evaluation only. Evaluation only. Created with Client Profile