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在四则混合运算教学时，我们常发现学生计算速度较慢或计算出错，究其原因，往往并不是由于法则不熟练或运算顺序没有牢固掌握所致，而是由于不良习惯所造成。如何通过四则混合运算的教学，培养良好的学习习惯，提高学生的计算能力呢？下面谈几点肤浅的认识。（一）培养学生在计算前，认真读题、审题，正确洞察题目结构，按运算顺序和法则进行运算的习惯。
In the four mixed computing teaching, we often find that students calculate slower or calculate errors, the reason is often not due to unscrupulous rules or the order of operations is not firmly due to, but due to bad habits caused. How to use four mixed computing teaching, develop good study habits and improve students' computing power? Here to talk a few superficial understanding. (1) to train students in calculating, serious reading questions, examining questions, the correct understanding of the subject structure, according to the order of operations and the law of computing habits.