int sizes[num_classes] = {...};
By 2024, the U.S. had spent more than $30 billion putting screens in classrooms, with school districts making deals to buy tech at a discounted rate. A Florida state appropriations report from 2003 noted a four-year, $37.2 million lease from Henrico County, Va., for 23,000 Apple computers for high school students. Oklahoma City Public Schools minted a $25 million contract with Dell for 10,000 laptops and wireless carts.
,更多细节参见雷速体育
Фото: Valentyn Ogirenko / Reuters
На помощь российским туристам на Ближнем Востоке ушли миллиарды рублей20:47
Платон Щукин (Редактор отдела «Экономика»)