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在我国的教育体系中,六年级是小学阶段的最后一年,也是孩子们即将步入初中生活的重要转折点。在这个关键时期,老师们不仅注重知识的传授,更注重培养孩子们的创新思维和实践能力。近日,某小学六年级的数学课堂上,一场别开生面的探究活动——“六年级菊花能塞下几支笔”引发了同学们的热烈讨论。 活动伊始,数学老师拿出了一朵盛开的菊花,问同学们:“同学们,你们知道这朵菊花能塞下几支笔吗?”这个问题一出,同学们纷纷陷入了沉思。有的同学认为,菊花的花瓣之间空隙很小,可能根本塞不下几支笔;而有的同学则认为,只要巧妙利用花瓣的形状,或许能塞下不少笔。 为了验证同学们的猜想,老师将同学们分成几个小组,让他们利用课余时间进行探究。在探究过程中,同学们充分发挥了团队协作精神,互相讨论、交流,共同寻找解决问题的方法。 经过一番努力,同学们发现,菊花的花瓣形状呈螺旋状,花瓣之间有一定的空隙。于是,他们开始尝试将笔插入花瓣之间的空隙中。在这个过程中,同学们发现,笔的粗细、插入角度等因素都会影响能否成功塞入笔。 为了提高成功率,同学们开始调整策略。有的小组尝试将笔折弯,使其更容易插入花瓣之间的空隙;有的小组则尝试将笔插入花瓣的凹槽中,以增加稳定性。经过多次尝试,同学们逐渐掌握了插入笔的技巧。 在探究过程中,同学们还发现了一个有趣的现象:当菊花的花瓣数量较多时,塞入的笔的数量也相应增加。于是,他们开始尝试计算不同数量花瓣的菊花能塞下多少支笔。 为了方便计算,同学们将菊花的花瓣数量分为几个等级,如5瓣、10瓣、15瓣等。然后,他们分别记录下每个等级的菊花能塞下的笔的数量。经过统计,同学们发现,花瓣数量越多,能塞下的笔的数量也越多。他们还发现,花瓣数量与能塞下的笔的数量之间存在一定的规律。 在探究活动的最后,同学们将他们的发现整理成了一份报告,并在课堂上进行了分享。老师对同学们的探究成果给予了高度评价,认为这次活动不仅锻炼了同学们的动手能力,还培养了他们的创新思维和团队协作精神。 通过这次“六年级菊花能塞下几支笔”的探究活动,同学们不仅学到了数学知识,还收获了成长。他们明白了,生活中的许多问题都可以通过数学知识来解决,同时也体会到了团队协作的重要性。相信在未来的学习生活中,同学们会继续发挥创新精神,不断探索未知的世界。
TMTPOST -- Chinese telecommunications giant Huawei unveiled a sweeping expansion of its artificial intelligence computing ambitions on Thursday, announcing new supercomputing systems powered by its in-house Ascend chips. The move signals escalating competition with U.S. chipmaker Nvidia, the global leader in AI processors.AI-generated imageAt its annual Huawei Connect conference in Shanghai, the company introduced the forthcoming "Atlas 950 SuperCluster," which it said will begin rolling out as early as next year. The announcement underscores Huawei ’ s determination to challenge U.S. dominance in advanced AI hardware despite Washington ’ s tightening export controls on semiconductors."The competition has undeniably arrived and is gaining momentum," an Nvidia spokesperson said. "Customers will choose the best technology stack for running the world ’ s most popular commercial applications and open-source models."U.S. restrictions have cut China off from the most advanced chips needed to train large-scale AI models, forcing Chinese firms to rely on domestically developed processors or stockpiles of older foreign components. Huawei, long targeted by U.S. sanctions, has turned to large-scale clustering of its less powerful but increasingly refined Ascend processors. By combining vast numbers of these chips in interconnected networks, the company aims to match or surpass the performance of systems built on Nvidia ’ s hardware.Huawei said it plans to release three new versions of its Ascend chips through 2028, pledging to double computing power with each iteration. At the base level, its new Atlas 950 supernode will connect 8,192 Ascend chips. A full Atlas 950 SuperCluster would integrate more than 500,000 chips.A future upgrade, the Atlas 960 system slated for 2027, is projected to support nearly 15,500 chips per node and scale to more than 1 million Ascend processors across a full supercluster. Huawei claimed these would represent the world ’ s most powerful AI systems by raw computing power.Huawei did not shy away from comparisons with its American rival. Eric Xu, the company ’ s vice chairman and rotating chairman, said the Atlas 950 supernode would deliver 6.7 times more computing power than Nvidia ’ s upcoming NVL144 system. He went further, predicting Huawei would "be ahead on all fronts" compared with Nvidia ’ s 2027 offering — and claimed the Atlas 950 SuperCluster would even exceed the computing capacity of Elon Musk ’ s xAI Colossus project.While independent verification of Huawei ’ s claims is limited, industry experts said the company ’ s ambition is clear."Huawei ’ s announcement on its computing breakthrough is well timed with recent increasing emphasis by the Chinese government on self-reliance on China ’ s own chip technologies," said George Chen, partner and co-chair of the digital practice at The Asia Group. While noting that Huawei might be overstating its technical edge, he added, "the ambition to be a world AI leader cannot be underestimated."Research from SemiAnalysis earlier this year found that Huawei ’ s CloudMatrix system outperformed Nvidia ’ s equivalent despite each Ascend processor offering only about one-third the power of an Nvidia chip. The advantage came from scale: Huawei deployed roughly five times as many chips in its clusters."Computing power has and will continue to be the key for AI," Xu emphasized during his keynote speech in Shanghai.Huawei ’ s new announcements build on earlier efforts. Two years ago, it introduced the Atlas 900 SuperCluster, which it still markets with "thousands" of Ascend chips. On Thursday, the company said it had already deployed more than 300 Atlas 900 A3 supernodes to over 20 clients across telecoms, manufacturing, and other sectors.This momentum reflects a broader push within China to substitute foreign technology with homegrown alternatives. Beijing has increasingly pressed domestic firms to use local suppliers and invest in national semiconductor capabilities. Huawei ’ s breakthroughs are likely to be touted as proof of progress in these efforts.Huawei ’ s offensive comes as Nvidia faces growing headwinds in China, once one of its most important markets. Earlier this week, China extended an antitrust probe into the U.S. company over alleged monopolistic practices. On Wednesday, Nvidia ’ s shares fell more than 2% after the Financial Times reported that Beijing had ordered Chinese tech giants to halt testing and purchases of the RTX Pro 6000D, one of Nvidia ’ s new AI-focused chips.Nvidia Chief Executive Jensen Huang expressed frustration over the developments. "I am disappointed to hear this news," he told reporters, while reiterating that Huawei represents a "formidable" competitor.The geopolitical context adds another layer of complexity. The U.S. and China concluded trade talks in Spain this week that reportedly included discussions over the fate of TikTok, the video app owned by Beijing-based ByteDance. But technology co