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灵活运用分解质因数,具有化繁为简,化难为易的功能,不仅能为一些数学问题提供新的解法,还能开拓解题思路。例1 小聪的妹妹参加了今年的中学生数学竞赛。小聪问妹妹:“这次竞赛你得了多
The flexibility to use the factoring quality factorization has the function of simplifying and reducing difficulties, which not only provides new solutions for some mathematical problems, but also opens up the way of solving problems. Example 1 Xiao Cong sister participated in this year's high school mathematics contest. Xiao Cong asked her sister: "You got a lot of competition