Which is more difficult to dry?
Math is difficult. According to official website's inquiry, Hebei education enrolls students, and it is known that Hebei Gankun paper is an examination form of Hebei enrollment examination, in which mathematics is difficult, and few people get full marks. "Gan Kun Juan" is a test paper for the senior high school entrance examination in Hebei Province. It is integrated by many key schools and credit reporting agencies in Hebei Province, and accurately created by many senior high school entrance examination propositions and research experts.