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同上一堂课0413四年级[数学]练习三-看一看
同上一堂课0413四年级[数学]练习三-看一看
同上一堂课【四年级】39/67
![同上一堂课0410四年级[语文]白桦-在天晴了的时候](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/fe3a25f1b245400da6c99800325385ae~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=K85mKvNCGh43%2Bca87rQfC3oxTps%3D)
App29:44![同上一堂课0413四年级[数学]练习三-看一看](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/8e444cccac7a4229bdedbfd76735f096~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=P%2BoJ08wwb%2BjkV7PK3jeg9deAGiE%3D)
App29:46![同上一堂课0414四年级[英语]Unit 4 Lesson 1-2](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/84c2aa10504c48c99c67babf8915f473~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=%2FPPDnkj7ppkYLjidF2WrR55%2BquA%3D)
App29:46![同上一堂课0415四年级[语文]猫](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/225de9c8094f401396fb460ffb400868~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=wzQN0MdrXDU6ff5Ed2RHvy75Qwo%3D)
App29:46![同上一堂课0416四年级[数学]我说你搭-搭一搭](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/cc8a88b4c3ca464bb9536759cb54813f~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=pMQwxWb%2BV6Y7q%2F6pxHp8TZE5r7I%3D)
App29:45![同上一堂课0417四年级[语文]母鸡](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/81717dcd1b1349429e973fc3b1b9106d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=BBVgLII22%2F3lRG3SGoL9FKZutas%3D)
App29:45![同上一堂课0420四年级[数学]字母表示数](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/c93bce0e9b95416798a914f149950999~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=nOOE%2B2xSSC9FKqOnDOY57EMMeiY%3D)
App29:06![同上一堂课0421四年级[音乐]我是少年阿凡提-牧羊姑娘](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/ddf67efa6fd443159e11d372191bd1dd~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=qjIidkVcvtn3rMdw9Le3CV4ac60%3D)
App29:35![同上一堂课0422四年级[语文]白鹅](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/805243cdf5b04143bb0152929198874f~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=YNgO4DPJp%2F9zzX%2F3881pyf6tMOE%3D)
App29:02![同上一堂课0423四年级[英语]Unit 4 Lesson 3-4](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/cad6181efed747468d932f0f03103938~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=h5v%2BuMrax77VlPlxeb16ZcAg8hw%3D)
App28:38![同上一堂课0424四年级[语文]习作](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/d13e9efb727a4c198f6445cc7ad08645~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=D5sB0Sk75abScOInZLJ6zBu4HD0%3D)
App28:54![同上一堂课0426四年级[数学]等量关系-方程](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/bd2c62dd4a3e40ceb3a69a302a8f4f18~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=8aeRi1Z%2FHeYDmYuk6AG%2BlBxNlUg%3D)
App29:05![同上一堂课0427四年级[语文]海上日出](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/3f0e47d8216d4d3d82f440bb12d5739b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=gBBeKM68SVVFO24Sc8gUT5La99Q%3D)
App29:59![同上一堂课0428四年级[英语]Unit 5 Lesson 1-2](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/cb9cd539d3424ca189219c108ca21764~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=xfh22%2Bft%2BFsWldYZzVV%2BfngxTKw%3D)
App29:59![同上一堂课0429四年级[语文]记金华的双龙洞](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/eb7dc655bbfa4eb186c836473006f742~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=csn1JeLWBgqaUky8lWaXyAkl7A0%3D)
App29:59![同上一堂课0430四年级[数学]解方程](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/84d90cd1a7504b63b4460e4c83d4c5ef~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=4VKI9QBgFtU%2BePSp6WiaLOO%2FTEI%3D)
App29:58![同上一堂课0506四年级[数学]猜数游戏-奥运中的数学](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/820ad8583c164029a17a948e48858f65~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=dz16NlvC4fmCSn2blMEMpFvIvrE%3D)
App29:36![同上一堂课0507四年级[语文]小英雄雨来](http://p3-sign.bdxiguaimg.com/tos-cn-p-0026/f0a5007d5bfbfbe3d473e18c155a2839~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=OA%2FdNYXNCnMY1UFnuVqUfsRTfB4%3D)
App29:59![同上一堂课0508四年级[英语]Unit 5 Lesson 3-4](http://p26-sign.bdxiguaimg.com/tos-cn-p-0026/0a9f3ff162e0028fb6417e00f6465573~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=aW2Hd67qhniK57rZcmkQFm2FgHI%3D)
App29:55![同上一堂课0509四年级[语文]古诗三首](http://p3-sign.bdxiguaimg.com/tos-cn-p-0026/8b0d7cc5e2b59c113217bd78812fab03~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=iTxQ29B88yBhiWvPg1b16HahXak%3D)
App29:57![同上一堂课0511四年级[语文]文言文二则](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/5f25dadac70a4c3abf599085e04f200e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=N4YDCi9glG%2BNOYUD%2B8ftsBGBprM%3D)
App29:01![同上一堂课0512四年级[数学]优化-生日](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/23d2f977d42f4d42b8d4ae88ca337467~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=hw1T2LtMDrfSKvHrOLGlGchCf5k%3D)
App29:13![同上一堂课0513四年级[语文]诺曼底号遇难记](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/295b2873c46a41fcbbf221159dd6eb81~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=hWQCFbmaykFq0%2BtOYphCTBppMWI%3D)
App29:40![同上一堂课0514四年级[英语]Unit 6 Lesson 1-2](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/9a330f3a36364ccca1c14ae5bed6a2af~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=emjhB1F%2BUuCEx%2Ff2ZUbaONI5%2Bd0%3D)
App29:25![同上一堂课0515四年级[数学]栽蒜苗](http://p3-sign.bdxiguaimg.com/tos-cn-p-0026/556facf2e007397b538f6413fe0e474a~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=rcJ6x0sHuOVnlSB5KLb6Xbfarxs%3D)
App29:25![同上一堂课5月18日四年级[体育]跳绳](http://p26-sign.bdxiguaimg.com/tos-cn-p-0026/38268b2f4f718509b5ad71f6f3866286~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=IR2fqeqTeofybTUeIdWnVu%2BrFnk%3D)
App29:58![同上一堂课5月19日四年级[语文]宝葫芦的秘密](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/b64f28cfbe324dbb84b36ee327c1cdb4~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=D9ed4l8Hd8gema8WmdbbipyJ75Q%3D)
App29:53![同上一堂课5月20日四年级[数学]平均数](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/d5c6fe62a20d40d9a7d2e72f904a2716~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=dYU%2BZVj33jkegzBAHBLdzsvDQw0%3D)
App29:48![同上一堂课5月21日四年级[英语]Unit 6 Lesson 3-4](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/dc08339a39ba4f8ea29b767edd9438f4~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=HvrfOsZp4no3b11kDXeIWV7USYo%3D)
App29:41![同上一堂课5月22日四年级[语文]巨人的花园](http://p26-sign.bdxiguaimg.com/tos-cn-p-0026/f5ed0b611602fcc3f710d4eee7b240f3~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501111016311539B1F437D7EC090679&requestFrom=704&version_code=80402&x-expires=1768097791&x-signature=a%2BLwBh9nuI7XH%2BUbdkUFUp8qal8%3D)
App29:59打开App观看
