20 12 The new curriculum standard of science mathematics in college entrance examination is very difficult. 20 12 college entrance examination science math problems are generally difficult, and some problems are relatively difficult. The knowledge points investigated cover a wide range, requiring candidates to have a solid mathematical foundation and problem-solving ability. Specifically, the difficulties of the 20 12 college entrance examination science mathematics questions mainly lie in "sequence and sequence limit", "trigonometric function" and "vector". There are many difficulties involved in the examination, which requires candidates to have strong comprehensive analysis and problem-solving ability. Generally speaking, the examination questions of science mathematics in 20 12 college entrance examination are more difficult.