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,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,用计算器探索规律,用计算器探索规律,0.0909,0.1818,0.4545,0.2727,0.3636,09,18,27,36,45,例、用计算器计算下面各题。,111 =,211 =,311 =,411 =,511 =,0.5454,0.6363,0.7272,0.8181,不计算，用发现的规律直接写出下面,几题的商。,611 =,711 =,811 =,911 =,让我们一起来总结一下，以后你遇到像,上面这样的有规律的问题时，该怎么解,决呢？,1、先观察题目已经给你的算式，从中总结出,规律。,2、运用自己发现的规律去解决接下来的问题。,21,22.11,222.111,2222.1111,什么在变？,什么没变？,37 =,3.36.7 =,3.3366.7 =,3.333666.7 =,21,22.11,222.111,2222.1111,根据规律很快写出后两题的结果,22222.11111,222222.111111,37 =,3.36.7 =,3.3366.7 =,3.333666.7 =,3.33336666.7 =,3.3333366666.7 =,444.222,4444.2222,67=42,6.66.7=44.22,6.6666.7=,6.666666.7=,
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