There are many math games (260), from the simplest exercises of addition, subtraction, multiplication, division, number comparison, discovering the law of sequence and time conversion (all these questions are randomly given by the computer, and any number of questions can be given) to puzzles (68), math lectures, math stories (97), teaching you to think (36) and standard intelligence tests. Finally, there are 23 sets of mid-term and final exam questions from/kloc-0 to 6 years old, and 39 sets of Olympic math competition questions in the last decade, all of which have answers. One feature of this software is that the answers to all questions can only be seen by passwords, so parents can control their children to look at the answers purposefully. 16.0 version adds 152 basic knowledge item, which is the definition of various mathematical concepts, so that parents can help their children more accurately. 17.0 version adds 22 basic knowledge and 40 puzzles. 18.0 version adds the practice of asking random questions to find the greatest common divisor. 19.0 version adds the practice of asking random questions to find the least common multiple. Version 20.0 adds four random operation exercises. 2 1.0 version adds the practice of random problems of fractional addition and subtraction.

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