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What are the contents of the math class in senior one?
The first volume of Grade 7 includes rational numbers, linear equations of one yuan and their applications, parallel lines (mainly internal angles, congruent angles and internal angles of the same side), addition and subtraction of algebraic expressions, and the second volume includes triangles, linear equations of two yuan and their applications, plane rectangular coordinate system, linear inequalities of one yuan and two yuan, and data collection.