1、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,*,分段计费,1,2,分析与解答：,如果用这个长方形来表示路，你能把收费情况表示出来吗？,7,元,1.5,元,1.5,元,1.5,元,1.5,元,7+1.54,=7+6,=13,（元）,71.5=10.5,（元）,7-31.5=2.5,（元）,10.5+2.5=13,（元）,3,10.8,7+81.5=19,（元）,11-3=8km,4,回顾与反思：,行驶的里程数,/km,1,2,3,4,5,6,7,8,出租车费,/,元,7,7,7,8.5,10,11.5,13,14.5,5,巩固练习：,1,、某地打固定电话每
2、次前,3,分钟内收费,0.22,元，超过,3,分钟每分钟收费,0.11,元（不足,1,分钟按,1,分钟计算）。妈妈一次通话时间是,8,分,29,秒，她这一次通话的费用是多少？,0.22,元,0.11,元,0.11,元,0.11,元,0.11,元,0.11,元,0.11,元,0.22+60.11=0.88,（元）,8,分,29,秒,=9,分,6,2,、某市自然水按月分段收费，,4,吨以内每吨,2.5,元。超过,4,吨不超过,10,吨，每吨,3.8,元。小云家上个月用水,9,吨。应付水费多少元？,2.5,元,3.8,元,2.5,元,2.5,元,2.5,元,3.8,元,3.8,元,3.8,元,3.8,元,2.54+,（,9-4,）,3.8=29,（元）,7,0.22,元,0.11,元,0.11,元,0.11,元,0.11,元,0.11,元,0.11,元,0.22+60.11=0.88,（元）,8,分,29,秒,=9,分,2.5,元,3.8,元,2.5,元,2.5,元,2.5,元,3.8,元,3.8,元,3.8,元,2.54+,（,9-4,）,3.8=29,（元）,8,
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