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The difference between A B version of senior high school mathematics
The differences are as follows:

1.? Version A and version B are distinguished by "region", that is, one version of teaching materials is generally used in the same region.

2. version b is more difficult and is generally used by science students.

3. Edits of version A and version B are different, which leads to some differences.

The extended textbook "High School Mathematics" is a book published by People's Education Publishing House, which is compiled by People's Education Publishing House, Curriculum Textbook Research Institute and Mathematics Textbook R&D Center. Its contents include set and function, trigonometric function, inequality, sequence, complex number, permutation, combination and binomial theorem, solid geometry and plane analytic geometry.

Formula formula

Set and function

Content intersection and complement set, and power exponential pair function. Parity and increase and decrease are the most obvious observation images.

When the compound function appears, the law of property multiplication is distinguished. To prove it in detail, we must grasp the definition.

Exponential function and logarithmic function are reciprocal functions. Cardinality is not a positive number of 1, and 1 increases or decreases on both sides.

The domain of the function is easy to find. Denominator cannot be equal to 0, even roots must be non-negative, and zero and negative numbers have no logarithm.

The tangent function angle is not straight, and the cotangent function angle is uneven; The real number sets of other functions have intersection in many cases.

Two mutually inverse function have that same monotone property; The images are symmetrical with Y=X as the symmetry axis.

Resource High School Mathematics _ Baidu Encyclopedia