15。 In 2022, the mathematics difficulty level of Zhejiang college entrance examination is in "difficulty mode", and the difficulty of Zhejiang college entrance examination is in the fourth place, ranking 15 in the national college entrance examination difficulty, which belongs to a relatively difficult college entrance examination area. Zhejiang province, referred to as "Zhejiang", is the capital of Hangzhou. Qiantang River, the largest river in Zhejiang Province, is named Jiang because of its twists and turns, also known as Zhejiang, and the whole province is named after Jiang.