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同上一堂课0226四年级[英语]Unit 1 Lesson 3-4
同上一堂课0226四年级[英语]Unit 1 Lesson 3-4
同上一堂课【四年级】8/67
![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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=%2FySuLo80YoPeiNQbCLOXpIqOccA%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=RJ4n%2BBIu57oFoRIeUbWhofk7D%2Bs%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=DE74l7XlFdhT2jcAVTqQEjQvoKM%3D)
App29:37![同上一堂课0228四年级[数学]歌手大赛-练习一](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/a7d6005f69d84ebda418bac5fae552fc~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=ioKVFdT1NU%2BA4DGTiGRqWxzHpC8%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=kwrZO54lbykE4hQ%2FJsGQfPZlZvk%3D)
App30:02![同上一堂课0303四年级[数学]图形分类-三角形分类](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/d0b086425b0740b58c465bf039ededed~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=6mi85W5wt1%2FFR2GEKDMpNNYMiXk%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=o85jGNa%2FZtlE4EI9uOuQP36vxJY%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=ub7tPE5yDHeXc4aLYUrM1SJadWA%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=7BRlv9QtGROi4JUCHiOz9OWNe1E%3D)
App29:42![同上一堂课0309四年级[体育]搏击操组合动作](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/f5bce67a300542a0976406a6637f949b~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=52eOdVctbmItw7yQqWAATL6C8%2B4%3D)
App29:09![同上一堂课0310四年级[语文]琥珀](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/08f78612aa114c72a674a6d145b0bc69~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=Z76%2FJY26jt6Ya%2BB84QWwWgTIwrI%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=2zQpIuRfNFLcSdkso3T1oMvsOAc%3D)
App27:13![同上一堂课0312四年级[心理]暗示](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/71b2a7f40c2e4c79965c541668ff8877~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=OGhaPp9io6juLeDCU8ZewIMcMNA%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://p26-sign.bdxiguaimg.com/tos-cn-p-0000/da3017783a1e4c7a825adf162cce35c0~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=cgov%2B9p6wJ5A%2Bw2lf1KtyGqFV60%3D)
App29:17![同上一堂课0316四年级[语文]飞向蓝天的恐龙](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/6617e471ac1446eba7c206c639e1a574~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=D9MVeiSswPKDNgEPuKcOekgEl9E%3D)
App28:10![同上一堂课0317四年级[体育]小足球球性球感练习](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/454f1f074e304b57b4865165959e96c2~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=59OQHJ%2FxTqTUV61wvPMrSha5sJY%3D)
App28:37![同上一堂课0319四年级[数学]练习二-买文具](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/78576b7fbc1744ca849c3c75c75bbda2~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=CjipitKL0mNymPNAv%2FVsoz3v9fw%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=j%2BF4SXGZMkxmRVwR%2BCPs7fTChHA%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://p3-sign.bdxiguaimg.com/tos-cn-p-0000/a9d26f3bf5c3496faff44d01996eda98~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=0HM78mnWyJFrytI%2BVB811nB8G%2BA%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=B%2FihzbNIx3EPryT%2Fw4sJU4%2F4cD8%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=KQCA8a8CniudylPLa2o68V1NuLk%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=avssaOyr7i8xZA4rd6wBH8SkNBE%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=E2C8KFEUsEI98294VGMJWDIXAf0%3D)
App29:45![同上一堂课0330四年级[数学]蚕丝-手拉手](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/2a99d57d18c84882ab81f10cee41c880~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=tF2BR7rklpbHHCsvHp3qYuDSjic%3D)
App29:40![同上一堂课0331四年级[英语]Unit3 Lesson1-2](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/45175a3ffaf7469986da7d0f7197d6e0~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=ieahvCTFU2zbp6K2fJf9dIht2SI%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=a4SGdgDj7IJTkK5B%2BoFxsKqHpuE%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=BM08IvGjMiV%2Fe2sb52swwqcHf%2Fc%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=BrVPdmnemMFDNQQCZ%2FlRPGRn3Yc%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&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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=5MVNmvznznKMv52466W0vubNfMY%3D)
App29:44![同上一堂课0408四年级[英语]Unit 3 Lesson 3-4](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/d27351bca1244885893b2f0cfe852227~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=unDOQKGA2iat5By6JgjaIlhuazY%3D)
App29:43![同上一堂课0409四年级[实践]十岁天空](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/39cd827c508440ec98f8a43882f6f5e1~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=20250202034645676D7C73E5BB78791CD1&requestFrom=704&version_code=80402&x-expires=1769975205&x-signature=p5pTBOuih%2BhO1shl%2BPHdCgXgyDU%3D)
App29:45打开App观看
