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Which book did senior one in Heilongjiang Province read when he studied mathematics last semester?
At present, there is a senior high school mathematics version in Heilongjiang Province.

There were compulsory one and compulsory four in mathematics last semester in senior one. The main content of compulsory one is set and function, and compulsory four is trigonometric function and vector.

But some places are compulsory one and compulsory two. The main contents of compulsory two are solid geometry and simple analytic geometry. For example, the linear equation of junior middle school, the equation of garden and some of their natural relationships.