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Are the contents of the new and old editions of the seventh grade mathematics textbook published by Beijing Normal University the same?
The first volume of this year's seventh grade textbook is a new edition, but it is basically the same as the old edition: the main changes are: (1) The scientific counting method is advanced to the second chapter. (2) In the fourth chapter, the linear equation of one variable is changed a little, (3) the possibility chapter of the old version is gone; Nothing else has changed. Based on the above considerations, the new version of seventh grade mathematics will definitely change a little compared with the old version, but it is still similar to the old version.

(ps: The new version was released only this year, and it should not be listed. )