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北师大版数学五年级上册教学视频61/117
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![荥经县气象台更新高温橙色预警信号[II级/严重]](http://p26-sign.bdxiguaimg.com/tos-cn-p-0015/oQH9DEgxEumCBlAAIBL4rCFSdyMR3Af9epAzwL~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=20240828060356B79649B976527476EB82&requestFrom=101&x-expires=1756332236&x-signature=ERpFUkQL999HAedeIT5SI91Lu%2FQ%3D)
