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实现由“会算”到“巧算”的飞跃,可以提高学生的运算能力。灵活运用运算律等来解决问题,对于提高学生的数学素养意义重大,这是发展学生创新思维能力的重要过程,也是提高学生“四能”的必要途径。
Realize the leap from “calculating” to “calculating”, which can improve students’ computing ability. The flexible use of arithmetic laws to solve problems is of great significance in improving students’ mathematical accomplishments. This is an important process of developing students’ ability of creative thinking and is also a necessary way to improve students’ “four abilities.”