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,*,*,*,子页,子页,子页,子页,子页题目,内容:,子页,子页,子页,子页,子页题目,内容:,子页,子页,子页,子页,子页题目,内容:,子页,子页,子页,子页,子页题目,内容:,内容:,子页题目,子页,子页,子页,子页,主页,子页,子页题目,子页,子页,子页,主页,子页,T,H,A,N,K,Y,O,U,Lorem ipsum dolor sit amet,consectetur adipisicing elit.Lorem ipsum dolor sit amet,consectetur adipisicing elit.Lorem ipsum dolor sit amet,consectetur adipisicing elit.Lorem ipsum dolor sit amet,consectetur,Lorem ipsum,LOREM IPSUM DOLOR,树木的作用,:,1.,防止水土流失,2.,制造氧气,吸收二氧化碳,3.,增加空气湿度,4.,美化环境,清除污染,5.,保持生态循环平衡,6.,维持地球上物质能量循环和生存,7.,北师大版 三年级上册 第四单元 乘与除,问题,探究,练习,拓展,绿色圃中小学教育网,绿色圃中小学教育网,203,1,2,3,0,20,40,60,20,20,20,60,1,捆,20,2,捆,40,3,捆,60,23,6,2,0,3,6,0,2,个十,3,6,个十,60,(棵),绿色圃中小学教育网,答:,3,捆一共,60,颗,5003,1,2,0,500,1000,1500,500,500,500,1500,53,15,5,00,3,15,00,5,个百,3,15,个百,1500,(棵),绿色圃中小学教育网,答:一共运走,1500,颗,84,8 4,8 4,0,00,67,67,67,0,00,32,32,00,32,42,42,42,0,00,0,1.,每种水果分别有多少,个?算一算,说一说,你是怎样想的。,5,盒,9,盒,7,盒,405,200,(个),209,180,(个),307,210,(个),2.,算一算,说一说你是怎样想的。,708,306,6009,460,405,5800,560,240,180,200,5400,4000,3.,80,5,400,400,3,1200,4.,看图列式计算。,303,7,97,(只),102,5,25,(枝),103,5,25,(枝),5.,象爱吃香蕉。,
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