9月19日，阿里发布了最新的开源模型Qwen2.5系列。 最新发布Qwen2.5系列中，还有编程专用Qwen2.5-Coder和数学专用Qwen2.5-Math。所有开源模型为稠密、decoder-only，提供多种规模版本。 Qwen2.5: 0.5B, 1.5B, 3B, 7B, 14B, 32B, 以及72B; Qwen2.5-Coder: 1.5B, 7B, 以及即将推出的32B; ...

The students in math professor Jan Koop’s summer workshops this year used pattern blocks, geoboards and other hands-on teaching tools to understand mathematical concepts. In their quest for better ...

Recently, Jan Koop came to the end of a two-year project of helping teachers from two area schools to improve their skills at teaching math—funded through a $236,000 Improving Teacher Quality Grant ...