The official document is as follows, please refer to the attachment:

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Subject: Transmitting the information regarding the "2027 3rd Cross-Over Cup National Mathematics Ability Competition" organized by our association, requesting your kind announcement and encouraging students to actively register and participate.
Description:
I. To enhance students' mathematical literacy, logical thinking, and problem-solving skills, cultivate independent learning spirit and mathematical application abilities, our association is specially organizing the "2027 3rd Cross-Over Cup National Mathematics Ability Competition" to provide students with opportunities for self-challenge and to showcase their learning achievements.
II. This competition is divided into different learning stages, including Lower Primary School Group, Middle Primary School Group, Upper Primary School Group, Junior High School Group, and Senior High School Group. The test questions balance conceptual understanding, logical reasoning, and mathematical application abilities, guiding students to build a solid mathematical foundation and problem-solving skills.
III. This competition will be conducted online. The competition date, registration deadline, and related competition information are detailed in the activity brochure. Students can register online individually, and there is no need for schools to handle the registration process collectively.
IV. This competition offers Gold, Silver, Bronze, Excellence, Passion for Mathematics awards, and participation certificates to encourage students to actively participate in mathematics learning, enhance their motivation and sense of achievement.
V. In case of natural disasters, government-announced work or school suspensions, or other force majeure factors, the postponement or adjustment of the competition will be announced on our association's official website and notified to participating students via email.
VI. Attached is the activity brochure. We kindly request your school to make an announcement and encourage students interested in mathematics learning to participate actively.
VII. The activity brochure and registration information are detailed in the attachment. Related information can also be found on our association's official website. https://trpec.com.tw/