Art is a diverse and complex concept that encompasses a wide range of human activities and expressions. It can be defined as the c

it 艺术 art expression integral 2025-03-30 23:46  3

Adefinite integralis an integral withlimits. Thelimitsare represented assmall numbers at the top and bottomof theintegral. Weinteg

定积分 definiteintegrals integral 2025-01-06 09:17  14