{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2301\/i109\/1062729825_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2301\/i109\/1062729825_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2301\/i109\/1062729825_3.jpg"}],"Brie":"3，一筐苹果和一筐梨的个数相同，卖掉40个苹果和15个梨后，剩下的梨是苹果的6倍。3，幼儿园买来的苹果的个数是梨的3倍，吃...","SN":"14","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2301\/i109\/1062730419_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2301\/i109\/1062730419_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2301\/i109\/1062730419_3.jpg"}],"Brie":"小学数学五年级奥数 第２３周　分解质因数（一）一个自然数的因数中，为质数的因数叫做这个数的质因数。把一个合数，用质因...","SN":"12","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2411\/i109\/1077924438_1.jpg"}],"Brie":"“小孩，你的知识限制了你的想象力。在咱们颠倒村，一切都是倒过来的。大树呼吸不靠树叶，靠树根。在地下埋了几十年的树根...","SN":"8","RN":"0","istop":"0"}

{"imgList":[],"Brie":"人教版三年级道德与法治下册知识点第一单元我和我的同伴 一、知识要点1.每个人都有自己的特点。第三单元我们 的公共生活一...","SN":"12","RN":"0","istop":"0"}

{"imgList":[],"Brie":"2《丁香结》?1.? 《丁香结》一文的作者是宗璞，代表作品有《红豆》、《弦上的梦》，这篇散文分别从视觉和嗅觉描写了丁香 花...","SN":"5","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724716_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724716_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724716_3.jpg"}],"Brie":"如果以第二车间的人数为标准，第一车间减少10人，第三车间增加15人，那么280－10＋15=285人是第二车间人数的3倍，由此可以...","SN":"6","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711107_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711107_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711107_3.jpg"}],"Brie":"小学数学三年级奥数 第二十三周 盈亏问题。已知所盈和所亏的数量，求物品数量和人数的应用题叫盈亏问题。解答盈亏问题的关...","SN":"5","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062712139_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062712139_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062712139_3.jpg"}],"Brie":"思路导航：把等长的两块木板的一端钉起来，钉在一起的长度就是重叠部分，重叠的部分是16厘米，所以这两块木板的总长度是120...","SN":"13","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711195_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711195_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711195_3.jpg"}],"Brie":"思路导航：由商是7可知，被除数是除数的7倍，把除数看作1份数，被除数就有这样的7份，一共7＋1=8份。思路导航：被除数、除...","SN":"10","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062710981_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062710981_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062710981_3.jpg"}],"Brie":"思路导航：由题意可知爸爸今年43岁，则三年前爸爸的年龄是43－3=40岁，40岁正好是女儿年龄的4倍，女儿三年前的年龄是40...","SN":"6","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724746_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724746_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724746_3.jpg"}],"Brie":"对应法则不同就是不同的运算。分析与解答：这道题规定的运算本质是：用运算符号前后两个数的积加上这两个数。分析与解答：...","SN":"6","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724785_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724785_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724785_3.jpg"}],"Brie":"例5：甲、乙两个书架原有图书本数相等，如果从甲书架取出2本，从乙书架取出60本后，乙书架的本数是甲书架的3倍。分析与解答...","SN":"6","RN":"0","istop":"0"}

{"imgList":[],"Brie":"1，将一个二进制数写成十进制数的步骤是：（1）将二进制数的各数位上数字改写成相应的十进制数；例2：把十进制数38改写成二...","SN":"7","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711025_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711025_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062711025_3.jpg"}],"Brie":"例题2 被除数比除数大252，商是7，被除数、除数各是多少？思路导航：根据“商是7”可知，被除数是除数的7倍，把除数看作1...","SN":"12","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2201\/i109\/1062726027_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2201\/i109\/1062726027_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2201\/i109\/1062726027_3.jpg"}],"Brie":"在静水中行船，单位时间内所行的路程叫船速，逆水的速度叫逆水速度，顺水下行的速度叫顺水速度。求船在静水中的速度（即船...","SN":"6","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724609_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724609_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2212\/i109\/1062724609_3.jpg"}],"Brie":"小学数学四年级奥数 第二十二周 平均数问题。我们经常用各科成绩的平均分数来比较班级之间，同学之间成绩的高低，求出各科...","SN":"6","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/2202\/U8\/1077600016_1.jpg"}],"Brie":"人的命运到底是什么决定的？","SN":"11","RN":"0","istop":"0"}

{"imgList":[],"Brie":"（2）贝多 芬说：“不，我是来弹一首曲子给这位姑娘听的。”（改为转述句）? 贝多芬说，不，他是来弹一首曲子给那位姑娘听...","SN":"6","RN":"0","istop":"0"}

{"imgList":[],"Brie":"四年级数学下册《平移》练习题及答案（人教版）一、填空题。如下图所示，冰壶从A位置平移到了B位置，冰壶向( )平移( )格。A...","SN":"8","RN":"0","istop":"0"}

{"imgList":[],"Brie":"六年级数学下册《式与方程》专项练习题及答案(人教版)式与方程（一）【学习内容】用字母表示数（课本84页）【学习目标】1....","SN":"6","RN":"0","istop":"0"}

{"imgList":[],"Brie":"教育是“做”的哲学。当前双新颁布最大的变化就是强调素养导向，加强实践育人，由知识传授型向知识建构过程的学习转型，强...","SN":"4","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2022\/01\/1810\/i109\/1013852508_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2022\/01\/1810\/i109\/1013852508_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2022\/01\/1810\/i109\/1013852508_3.jpg"}],"Brie":"沟通原则是需要家长先尊重孩子，孩子如果这学期学得很辛苦，寒假想放松，或者期末考试考得不好，家长也不要强硬地给孩子布...","SN":"10","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/1502\/i109\/1008817427_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/1502\/i109\/1008817427_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/1502\/i109\/1008817427_3.jpg"}],"Brie":"小岛语文丨 家长辅导孩子学习难，但把聪明的孩子变笨却非常容易，看你都做过什么……通常抱着补偿心理的家长，都会给孩子在...","SN":"21","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/2510\/i109\/1010222040_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/2510\/i109\/1010222040_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/2510\/i109\/1010222040_3.jpg"}],"Brie":"小岛语文丨最好的语文期末复习资料，不是学霸手里的笔记，也不是课外阅读物……这时候，最好的期末复习资料就是语文笔记，...","SN":"21","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/0311\/i109\/1007058487_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/0311\/i109\/1007058487_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2021\/12\/0311\/i109\/1007058487_3.jpg"}],"Brie":"小岛语文丨语文老师强调的书写练习和家长理解的练字，这是两件不同的事……家长理解的练字，是标准模块，一定要按照最优的...","SN":"18","RN":"0","istop":"0"}

{"imgList":[],"Brie":"这个关键链中，语文教师的专业化解读是学习者深度学习教材的保障之一。教材的编排更新已在新一轮的统编教材更换中基本实现...","SN":"32","RN":"0","istop":"0"}

{"imgList":[],"Brie":"五年级数学下册《分数的意义和性质》练习题(附答案)1.填空。（1）两个分数分别是真分数和假分数，它们的分母都是最小的合数...","SN":"16","RN":"0","istop":"0"}

{"imgList":[],"Brie":"如果三年级孩子良好的学习习惯还不能养成，依然把学习当成给家长或老师完成任务，可能将会影响孩子一生。一个爱读书的孩子...","SN":"12","RN":"0","istop":"0"}

{"imgList":[],"Brie":"我们已经学会了求长方形、正方形这些标准图形的周长，那么怎样运用长方形、正方形的周长计算公式，巧妙地求一些复杂图形的...","SN":"7","RN":"0","istop":"0"}

{"imgList":[],"Brie":"小学数学三年级奥数 第1讲 数数图形。要正确数出图形的个数，关键是要从基本图形入手。首先要弄清图形中包含的基本图形是什...","SN":"16","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386930_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386930_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386930_3.jpg"}],"Brie":"1、解这类题的关键是要先确定余数，如果余数已知，就可以确定除数，然后再根据被除数与除数、商和余数的关系求出被除数。（...","SN":"17","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1101\/i109\/1062400861_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1101\/i109\/1062400861_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1101\/i109\/1062400861_3.jpg"}],"Brie":"小学数学五年级奥数 第1讲 平均数（一）平均数=总数量÷总份数 总数量=平均数×总份数 总份数=总数量÷...","SN":"11","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1101\/i109\/1062401604_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1101\/i109\/1062401604_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1101\/i109\/1062401604_3.jpg"}],"Brie":"小学数学五年级奥数 第12讲 盈亏问题。小朋友有多少人？练习1：1.学校买来了白粉笔和彩色粉笔若干盒，如果白粉笔减少10盒，...","SN":"9","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062398645_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062398645_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062398645_3.jpg"}],"Brie":"从第二项开始，后项与其相邻的前项之差都相等的数列称为等差数列，后项与前项的差称为公差。1、等差数列中，首项=1，末项=3...","SN":"9","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062389023_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062389023_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062389023_3.jpg"}],"Brie":"例3： 有7个数的平均数为8，如果把其中一个数改为1，这时7个数的平均数是7。1、有5个数的平均数是5，如果把其中一个数改为2...","SN":"6","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062387675_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062387675_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062387675_3.jpg"}],"Brie":"小学数学三年级奥数 第16讲 应用题（一）【例题3】小林家养了一些鸡，黄鸡比黑鸡多13只，白鸡比黄鸡多12只，白鸡的只数正好...","SN":"15","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062387637_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062387637_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062387637_3.jpg"}],"Brie":"小学数学三年级奥数 第15讲 乘除巧算。提高计算能力，除了加、减、乘、除基本运算要熟练之外，还要掌握一定的运算技巧。巧...","SN":"16","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386767_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386767_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386767_3.jpg"}],"Brie":"【例题1】你有好办法迅速算出结果吗？【例题2】计算。【例题3】计算下面各题。【例题4】2000-111-89-112-88-113-87-114-86-...","SN":"15","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386848_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386848_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062386848_3.jpg"}],"Brie":"数列的第一个数（第一项）叫首项，最后一个数（最后一项）叫末项，如果一个数列从第二项起，每一项与前一项的差是一个不变...","SN":"17","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371437_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371437_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371437_3.jpg"}],"Brie":"两根绳子结起来只要打一个结，两根绳子结成一个圆需要打两个结，一根绳子剪4次被剪成了5段等等，这是日常生活中的比较特殊...","SN":"9","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062373961_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062373961_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062373961_3.jpg"}],"Brie":"蓝气球有25个，红气球是蓝气球的5倍，一共有气球多少个？【思路导航】从图中可以看出，如果把蓝气球个个数看作1份，红气球...","SN":"14","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371029_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371029_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371029_3.jpg"}],"Brie":"小朋友，如果给你一组图形，其中有一个图形与其他图形的特征不一样，你能很快辨认出来吗？要学会这种本领，小朋友一定要认...","SN":"17","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371290_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371290_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/1112\/i109\/1062371290_3.jpg"}],"Brie":"（2）第一个数5加上5的和是第三个数10，第三个数10加上5的和是第五个数15，第二个数9减去1的差是第四个数8，第四个数8减去1...","SN":"13","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334137_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334137_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334137_3.jpg"}],"Brie":"小学数学一年级奥数 第8讲 “十”、“一”和（ ） - 教师版。小朋友，巧填运算符号是一种非常有趣的数学问题，在今后的学习...","SN":"25","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334250_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334250_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334250_3.jpg"}],"Brie":"（1） 王老师说：“我比李老师小”解答：明明的爸爸是医生，亮亮的爸爸是工人，刚刚的爸爸是解放军战士。解答：假设甲为真...","SN":"24","RN":"0","istop":"0"}

{"imgList":[],"Brie":"《小虾》（节选）小虾真有趣 它们吃东西的时候非常小心 总是先用钳子轻轻碰一下食物 然后迅速后退 接着再碰一下 又后...","SN":"5","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/U8\/1062337472_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/U8\/1062337472_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/U8\/1062337472_3.jpg"}],"Brie":"小学一年级奥数题：认识图形例题讲解（一）小学一年级奥数题：认识图形例题讲解（二）小学一年级奥数题：认识图形例题讲解...","SN":"21","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/U8\/1062335098_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/U8\/1062335098_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/U8\/1062335098_3.jpg"}],"Brie":"小学二年级奥数练习及答案解析十六讲。二年级趣味智力题例题讲解（一）小学二年级奥数题：趣味智力题例题讲解（二）小学二...","SN":"7","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0711\/U8\/1062211758_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0711\/U8\/1062211758_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0711\/i109\/1062211758_3.jpg"}],"Brie":"人教版一年级数学（下册）知识要点。例1：小华有12个苹果，小芳有7个苹果，小华比小芳多几个？例2：小华有12个苹果，小芳有...","SN":"12","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334373_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334373_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334373_3.jpg"}],"Brie":"小学数学一年级奥数 第12讲 猫捉老鼠 - 教师版。第12讲 猫捉老鼠。【B1】有10个小朋友在玩“猫捉老鼠”的游戏，现在已经捉...","SN":"14","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334502_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334502_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062334502_3.jpg"}],"Brie":"小朋友，给你几个数，要求你在加减运算的基础上，把所给的几个数进行合理分组，填入已列好的算式中，使等式成立。【试一试...","SN":"11","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062333910_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062333910_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0912\/i109\/1062333910_3.jpg"}],"Brie":"【试一试】想一想，怎样移，两行○的个数同样多？解答：给第1袋的小朋友1颗，给第2袋小朋友3颗。【试一试】幼儿园小班1班有...","SN":"18","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0711\/U8\/1062210284_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0711\/U8\/1062210284_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0711\/U8\/1062210284_3.jpg"}],"Brie":"小学数学一年级下册新北师大版一年级下册数学知识点。1、熟记20以内加法和减法的得数（20以内进位加法、20以内退位减法）求...","SN":"12","RN":"0","istop":"0"}

{"imgList":[{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0801\/U8\/1062215112_1.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0801\/i109\/1062215112_2.jpg"},{"img":"http:\/\/thumbnail1.360doc.com\/DownloadImg\/2023\/04\/0801\/i109\/1062215112_3.jpg"}],"Brie":"2、因数、倍数：大数能被小数整除时，大数是小数的倍数，小数是大数的因数。质数×质数=合数。把长方体或正方体截成若...","SN":"18","RN":"0","istop":"0"}