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同上一堂课0319四年级[数学]练习二-买文具
同上一堂课0319四年级[数学]练习二-买文具
同上一堂课【四年级】23/67
![同上一堂课0317四年级[体育]小足球球性球感练习](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/454f1f074e304b57b4865165959e96c2~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=i%2FObOmDJe%2FqpetIKxMlBMMk4RqQ%3D)
App28:37![同上一堂课0319四年级[数学]练习二-买文具](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/78576b7fbc1744ca849c3c75c75bbda2~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=xtXt6uivm3aoY25pbjMbdZfsfPQ%3D)
App29:52![同上一堂课0320四年级[英语]Unit 2 Lesson 3-4](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/dfabee8f34ec4a4389448a279f4ae03c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=q%2FXlHzk%2F6qy%2FC9Y4CTecR4EgPog%3D)
App29:44![同上一堂课0323四年级[语文]纳米技术就在我们身边](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/a9d26f3bf5c3496faff44d01996eda98~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=M0A1LzIr6%2BHHDTEg7iUSmGV%2BrKI%3D)
App29:46![同上一堂课0324四年级[数学]小数点搬家](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/bc6431f0ae394c7c936cad2cb17a7fb9~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=m6%2B0da87fXm4liKS%2FDVVaZOJe48%3D)
App29:47![同上一堂课0325四年级[科学]生活中的静电](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/f10e730990b74c94af7a0240c2eb02e5~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=aeSNZrOf4hZvyBd%2F1KNlGiP67Rc%3D)
App29:46![同上一堂课0326四年级[英语]Unit 2 Lesson 5-6](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/5d1c1fba3c014d378f009a2029f87b97~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=e0GRQe9T3zL%2F4dbZIUXd5juPeG4%3D)
App29:46![同上一堂课0327四年级[数学]街心广场-包装](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/d1ede1fb7f29450dbe8adb9db6db6edd~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=NSZ8AlAE0r7EIayTNmBt2%2BUe%2FcI%3D)
App29:45![同上一堂课0330四年级[数学]蚕丝-手拉手](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/2a99d57d18c84882ab81f10cee41c880~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=2Ujd7UXIhZfyeFeCJ92Hmw3mCfE%3D)
App29:40![同上一堂课0331四年级[英语]Unit3 Lesson1-2](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/45175a3ffaf7469986da7d0f7197d6e0~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=Gp7VeR92cwZAgS7dbe%2B5xWlkAMI%3D)
App27:29![同上一堂课0401四年级[语文]千年梦圆在今朝-习作](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/33ccc02e29854edfb648e2cfce6a8595~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=Np1cIwhx96luPIxyQYNg7hNn9L8%3D)
App29:01![同上一堂课0402四年级[美术]北京的城楼](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/3ef42d130a7840feaa467345fd85137b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=M7tZTv8OATyN%2Fky71iXRNwVv6LM%3D)
App27:05![同上一堂课0403四年级[语文]快乐读书吧](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/1b5960b88bf840e186fa317e2169f4f4~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=FA40PS41laWvMMcuGC8wfasviuQ%3D)
App29:19![同上一堂课0407四年级[语文]短诗三首-绿](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/a204624a22a640e097195f7386f1621a~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=m7EVgYpl3nV36L5y5yoyPfUAhns%3D)
App29:44![同上一堂课0408四年级[英语]Unit 3 Lesson 3-4](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/d27351bca1244885893b2f0cfe852227~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=oYLIxR1xJON8yFot1h3SaLUaxLw%3D)
App29:43![同上一堂课0409四年级[实践]十岁天空](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/39cd827c508440ec98f8a43882f6f5e1~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=LCMMYWlIJNnagjXDUVQ8UJVGVUY%3D)
App29:45![同上一堂课0410四年级[语文]白桦-在天晴了的时候](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/fe3a25f1b245400da6c99800325385ae~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=pm2WBvE%2B3PnkVZ4K%2F2%2BWjzGwngw%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=4pfvysXKJWY0dS6QbLDykdeAvd8%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=q6%2FmY7YYwzUcWxRZ4aVaor1l0EY%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=%2FmPf%2B0rwdzvWz7pgSl%2Bv99p4OBo%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=ZWJJiDpRCGE2I4cAqGaaCxx2N6I%3D)
App29:45![同上一堂课0417四年级[语文]母鸡](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/81717dcd1b1349429e973fc3b1b9106d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=mFQiVmwzQwy34f%2BnqPTJzIhhGjA%3D)
App29:45![同上一堂课0420四年级[数学]字母表示数](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/c93bce0e9b95416798a914f149950999~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=ohbQtIDUCNm6l0TMl2ODFovmRdc%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=uQiWL98q7wgdOHmn2T%2FGVZHOkZk%3D)
App29:35![同上一堂课0422四年级[语文]白鹅](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/805243cdf5b04143bb0152929198874f~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=RFGbdrR%2Fr%2FSjCDOK77iGhwa89Co%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=aff6A7dKf0lcP3eG9R0P1DCfvn8%3D)
App28:38![同上一堂课0424四年级[语文]习作](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/d13e9efb727a4c198f6445cc7ad08645~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=%2Fgo6bUsFd8bWeB6Xu0ZsVOJhM8A%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=xAiPPydQjTNnwLLVMrBu%2FBybED0%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=4xYiLZ4hvLcYgw377mSlwjy%2Bszc%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=BxT71YEQvBjig6OiC6MgWYdVfXc%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241115045059AE099CFB6E7CDD351C4F&requestFrom=704&version_code=80402&x-expires=1763153459&x-signature=YYQopMZl9Okm85chtoxma%2F1075g%3D)
App29:59打开App观看
