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同上一堂课0512四年级[数学]优化-生日
同上一堂课0512四年级[数学]优化-生日
同上一堂课【四年级】59/67
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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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20240624031339594CD484460CA23465D8&requestFrom=704&version_code=80402&x-expires=1750706019&x-signature=Rvqbg%2FIPZio%2Bgglo%2F0hFNqo5VfY%3D)
App29:13![同上一堂课0513四年级[语文]诺曼底号遇难记](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/295b2873c46a41fcbbf221159dd6eb81~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=20240624031339594CD484460CA23465D8&requestFrom=704&version_code=80402&x-expires=1750706019&x-signature=mdPFRiqN5OMCZxTW%2Fl6Ni6eF3P8%3D)
App29:40![同上一堂课0514四年级[英语]Unit 6 Lesson 1-2](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/9a330f3a36364ccca1c14ae5bed6a2af~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=20240624031339594CD484460CA23465D8&requestFrom=704&version_code=80402&x-expires=1750706019&x-signature=CCPlRQYuuPlVLqwZX5eB0il%2FsZ4%3D)
App29:25![同上一堂课0515四年级[数学]栽蒜苗](http://p26-sign.bdxiguaimg.com/tos-cn-p-0026/556facf2e007397b538f6413fe0e474a~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=20240624031339594CD484460CA23465D8&requestFrom=704&version_code=80402&x-expires=1750706019&x-signature=hAqCBiF0YudyW1mEGUxo5WyJN3k%3D)
App29:25![同上一堂课5月18日四年级[体育]跳绳](http://p3-sign.bdxiguaimg.com/tos-cn-p-0026/38268b2f4f718509b5ad71f6f3866286~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=20240624031339594CD484460CA23465D8&requestFrom=704&version_code=80402&x-expires=1750706019&x-signature=BJGy5KWs%2BzvXK3TCJB%2FJTAnwtYY%3D)
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App29:53![同上一堂课5月20日四年级[数学]平均数](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/d5c6fe62a20d40d9a7d2e72f904a2716~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=20240624031339594CD484460CA23465D8&requestFrom=704&version_code=80402&x-expires=1750706019&x-signature=gZWjWjtlqz%2FcyEOLWZOF7EnvcRY%3D)
App29:48![同上一堂课5月21日四年级[英语]Unit 6 Lesson 3-4](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/dc08339a39ba4f8ea29b767edd9438f4~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=20240624031339594CD484460CA23465D8&requestFrom=704&version_code=80402&x-expires=1750706019&x-signature=dypMs4ArZSHdrgexvffQZXZkSs4%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&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20240624031339594CD484460CA23465D8&requestFrom=704&version_code=80402&x-expires=1750706019&x-signature=UOmpWv6tJogfpvdq7gYPxiqkB2c%3D)
App29:59同上一堂课0512四年级[数学]优化-生日
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