2022年人教版数学五年级下复式折线统计图的练习教案教学设计 .pdf

5.6.3 复式折线统计图的练习课型练习课使用教师主备人修 改 人教学内容：义务教育实验教科书五年级下册P130-P131练习二十五。教学目标：1.通过练习，认识复式折线统计图，了解复式折线统计图的特点。2.会从复式折线统计图中读取信息，体会复式折线统计图在生活中的作用。3.进一步学习制作复式折线统计图，培养学生动手操作能力，分析能力和合作能力。重点、难点：重点：通过练习进一步了解复式折线统计图的意义，特点和作用。难点：了解条形统计图与折线统计图的区别，会根据所提供数据的实际情况来确定选择适当的统计图来表示。教学准备：空白统计图，自主检测题。教 学 过 程一、回顾复习，导入练习（一）回顾复习。师：我们上节课学习了复式折线统计图，回忆一下，谁能说一说复式折线统计图有什么特点？组织学生回忆，可看课本回忆总结，然后汇报。生：复式折线统计图不但可以表示每组数据的数量增减的变化趋势；还可以较容易地比较出两组数据的变化趋势。（板书）（二）揭示课题。师：这节课我们就一起对这部分内容进行练习。板书课题：复式折线统计图的练习二、重点练习，强化提高（一）基础练习。1.处理课本练习二十五P130页的第 3 题。（1）组织学生自由读题，独立分析，然后小组交流。（2）汇报，回答问题。A、通过统计图可以看出陈明的体重在1314 岁间增长幅度最大。B、通过对比可以看出陈明的体重始终都高于标准体重。（3）说感想。组织学生自由说一说，如：“我觉得陈明的体重有些过重”；“我觉得我们现在的青少年应该少吃一些洋西餐以防身体过于肥胖”，教师及时评价。（4）小结：由此可以看出复式折线统计图不但可以表示每组数据的数量增减的变化趋势；还可以较容易地比较出两组数据的变化趋势；通过这个统计图也提醒我们小朋友要合理饮食不要挑食，保证我们的健康成长。2.处理课本练习二十五P130页的第 4 题。（1）组织学生独立读题，并画出复式折线统计图。（2）汇报，说画法：描点连线标数据（3）回答问题：A、通过对比两条折线的走势，分析出A 牌彩电销售量逐渐降低，而B 牌彩电的销售量在逐步提高并超过了A 牌彩电的销量。从而发现，运用折线统计图比统计表更合适，发现折线统计图更直观，更便于比较的特点。B、根据这种两种彩电变化趋势可以帮助商场经理做出决策，应加大B 牌彩电的进货量同时降低 A 牌彩电的进货量，以保证比较稳定的销售额。（4）小结：复式折线统计图在表示数据时，更直观更便于比较。（二）综合练习。处理课本练习二十五P131页的第 5 题。（1）组织学生独立读题，然后小组合作讨论。（2）汇报说理由。指导学生说清楚：条形统计图的特点：可以清楚地看出每个项目的数量的多少。折线统计图的特点：不但可以看出数量的多少，还可以看出数量的增减变化情况。所以根据两种统计图的特点和两组数据的特点，第一组数据应用条形统计图表示，第二组数据应用折线统计图比较合适。（3）组织学生在空白统计图上画出两幅统计图。然后展示，评价。三、自主检测，完善评价（一）自主检测。1.基础练习。下面是某市第一中学和第二中学篮球队的五场比赛得分情况统计图，请根据统计图回答问题。（1）两个学校的篮球队第一场比赛时成绩相差多少？第五场呢？（2）两队成绩呈现什么变化趋势？文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1（3）你能预测一下场两校的篮球队的比赛结果吗？2.综合练习下表是新华书店和读者书城上半年销售教育类图书的统计表。月份数量/本店名1 2 3 4 5 6 新华书店120 160 250 280 140 100 读者书城140 180 200 250 190 180（1）请你根据这两组数据画一幅折线统计图。（2）请根据折线统计图回答下列问题。A、新华书店和读者书城哪一个月销售图书最多？哪一个月两个书店销售图书相差最大？B、你能根据两个书店上半年的销售情况给他们提几条下半年图书销售计划的意见吗？（二）评价完善。集体订正，评价。四、课堂总结师：说一说本节课你最大的收获是什么？你对自己的表现满意吗？五、课堂作业组织学生完成基础训练练习二十五P130页的第 4 题。六、板书设计文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1复式折线统计图的练习复式折线统计图不但可以表示每组数据的数量增减的变化趋势；还可以较容易地比较出两组数据的变化趋势。（展示学生绘制的复式折线统计图）作 业 设 计基础：1.看图填空。哈尔滨市与南京市的月平均气温统计图(2007 年 7 月10 月)（1）两个城市在（）月温差最小，在（）月温差最大。（2）（）市（）月的平均气温与前一个月比下降最快。（3）这两个城市的月平均气温变化趋势是什么综合：2.选择（1）要表示某地区去年一年降水量的变化情况应绘制（）统计图A 条形统计图 B折线统计图 C统计表（2）表示出实验小学各年级，男女生人数的对比情况应绘制（）统计图A 条形统计图 B折线统计图 C统计表（3）要表示某市一、二实验小学各年级向灾区捐款情况应绘制（）A 条形统计图 B折线统计图 C统计表文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1（4）要反映两个病人1 周体温变化情况应绘制（）统计图A 条形统计图 B折线统计图 C统计表3.下面是北京市2006 年 4 月份一周（2026 日）每天最高气温和最低气温的记录，根据表中的数据，完成下面的折线统计图。北京市 2006 年 4 月 2026 日最高和最低气温统计图年月最高气温最低气温4 月20 日4 月 21日4 月 22日4 月23 日4 月24 日4 月25 日4 月26 日最高气温20 20 14 20 28 27 26 最低气温11 9 10 7 11 15 19（1）说说这一周中，4 月 23 日这天的最高气温和最低气温情况？（2）这一周中，哪天的温差最大？哪天的温差最小？（3）从上面的统计数据中，你还能得到什么信息？拓展提升：4.某地区 19802000 年年人均支出和年人均食品支出如下图年示。气温日期项文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1（1）每年人均食品支出各占人均支出的几分之几？（2）比较这几个分数的大小，你能发现什么？教学反思：文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1文档编码:CD10M8I5O9T2 HS3S1W2E8L5 ZH5S5X9M5Z1