打开App
360P
同上一堂课0219四年级[英语]Unit 1 Lesson 1-2
同上一堂课0219四年级[英语]Unit 1 Lesson 1-2
同上一堂课【四年级】3/67
![同上一堂课0218四年级[数学]小数的意义](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/34d67491368940bc853733c54668fa06~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=iKIXy91VWbUYzmoUK0xuaxbRcyU%3D)
App29:12![同上一堂课0219四年级[英语]Unit 1 Lesson 1-2](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/ae2d79982e444cbf82d4be1c9cc6aca3~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=RkMRsiG65ukkSPFhiTMh1JmRz5c%3D)
App26:20![同上一堂课0220四年级[语文]乡下人家](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/dc956118c5be4440ac20afcec531df6e~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=aVe3s8uenFp4ZwCecyI%2FtO65AZU%3D)
App28:59![同上一堂课0221四年级[数学]小数的意义-比大小](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/73d5ff1d78c44bf681c8a571ed29caa8~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=uO0aKzfBlcABtWFhMXGWoF8eF2o%3D)
App29:18![同上一堂课0224四年级[语文]天窗](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/3c15839cb96748e9a5948d309a36fe24~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=n8zxkadnoyaRKWK476IqAqk3%2FW4%3D)
App29:45![同上一堂课0225四年级[数学]买菜-比身高](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/8d6ebaa93da245f0a355103e798655ba~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=0iJEcredfJyIvR%2FU3dtPqnRbA40%3D)
App29:42![同上一堂课0226四年级[英语]Unit 1 Lesson 3-4](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/742c6adbf3db465b8121c94589f2c489~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=Z6WOEhNm%2Bn7g5fizJBs2mTsAqWQ%3D)
App29:44![同上一堂课0227四年级[语文]三月桃花水-口语交际](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/dfb08d8fb72e43dd84b7efcd4a5609de~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=%2FOQbsQUOMgT8Yx%2B25xO68nhkxpU%3D)
App29:37![同上一堂课0228四年级[数学]歌手大赛-练习一](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/a7d6005f69d84ebda418bac5fae552fc~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=CzoVO95IMDEpkihGr1eK%2FanSolI%3D)
App29:44![同上一堂课0302四年级[音乐]摇篮曲-鳟鱼](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/3ae3e0c8ac8741e4934e66a059af4487~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=K%2BVvTtnvbq4QD2sKPNf9Pjf9uj8%3D)
App30:02![同上一堂课0303四年级[数学]图形分类-三角形分类](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/d0b086425b0740b58c465bf039ededed~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=cXArp45Ifi869a8EHrQsNRgYgoA%3D)
App29:45![同上一堂课0304四年级[英语]Unit 1 Lesson 5-6](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/17556c3d27b046c79b1c2f8016095e82~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=RPZrX33bA2ezLg05lMz7F1vixCs%3D)
App29:43![同上一堂课0305四年级[语文]习作-语文园地](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/840e13ee5d0b4486a2cc8b251c796447~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=G3RetSSYVUd3Moqg2DNw%2B4mcf0k%3D)
App29:46![同上一堂课0306四年级[数学]三角形内角和](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/e3985bbcfb1c4d2390b17554821012a6~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=%2BP9vzv9ZcWiAHFNybXhhN8YrW5I%3D)
App29:42![同上一堂课0309四年级[体育]搏击操组合动作](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/f5bce67a300542a0976406a6637f949b~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=EI1BYVqnC8SPJLS5155Oaof6uuw%3D)
App29:09![同上一堂课0310四年级[语文]琥珀](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/08f78612aa114c72a674a6d145b0bc69~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=Q%2FwE7dWSPV9D07UjFLSnWBXtx4k%3D)
App28:46![同上一堂课0311四年级[英语]Unit 2 Lesson 1-2](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/fc8acec036e64d16ac9cdbcf5674e605~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=zvKaMj9knl5H2vQFEkdITCbDR7A%3D)
App27:13![同上一堂课0312四年级[心理]暗示](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/71b2a7f40c2e4c79965c541668ff8877~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=lL5uzpWNkh%2BxjjcAmG9V0dnWo6A%3D)
App29:04![同上一堂课0313四年级[数学]三角形边的关系-四边形分类](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/da3017783a1e4c7a825adf162cce35c0~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=f8aEYUifwMHeNHjqlAnlxt2FfSw%3D)
App29:17![同上一堂课0316四年级[语文]飞向蓝天的恐龙](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/6617e471ac1446eba7c206c639e1a574~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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=yLeHM3uAtGen20KMOESlF9sWM7c%3D)
App28:10![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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=qlDXm0VmQ08UZu5G3BbZD%2BvR9ag%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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=mmbMj%2FeYuNlNNVQc%2Fw0HJzKeqGQ%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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=dByklIPvBoCB8Mfh1JiSDxJRImc%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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=v%2B00csytUPt7c7r3hzUNzwyThFU%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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=Xqqo0HcpsBbiiC0YwG%2Bp7T%2FJboc%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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=PxRRehY6DGiazsMZl2a5SPA74hw%3D)
App29:46![同上一堂课0326四年级[英语]Unit 2 Lesson 5-6](http://p3-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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=f2m%2FX9Z8GX1iCmpxxZ6PoTsgtOw%3D)
App29:46![同上一堂课0327四年级[数学]街心广场-包装](http://p3-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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=WoJnZ1H2sWb22P5e2hd2GhdoYG8%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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=oBIcZCFgo4Wzgk68%2BiynoUgoZDI%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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=YgOVARZdf%2BQw59Xe2GRdQbBkpko%3D)
App27:29![同上一堂课0401四年级[语文]千年梦圆在今朝-习作](http://p26-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=20241114204505B6E63E3ECE566A5EF560&requestFrom=704&version_code=80402&x-expires=1763124306&x-signature=yM9iCAMI7y%2Bgs6Khl%2BWFXqc3I%2B8%3D)
App29:01打开App观看
