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kou jue fa jie yi yuan yi ci fang cheng
Author(s): 
Pages: 15-16
Year: Issue:  11
Journal: School Journal of Mathematics

Keyword:  一次方程多项式合并同类项注意事项口诀法总结规律括号系数两个问题分母;
Abstract: <正>有的同学认为,解一元一次方程时需要注意的问题太多,不好记,也不容易掌握.其实,如果注意总结规律,用口诀来记忆,效果还是不错的,同学们不妨试一试.口诀如下:解一元一次方程,注意事项最重要;去分母要都乘到,多项式分子要带括号;去括号也要都乘到,
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