立足学生实际
Based on the actual situation of students
以上为机器翻译结果，长、整句建议使用 人工翻译 。
本研究立足于学习实际，对小学生通过样例学习运算规则进行了实验研究。
Based on actual learning, this research had studied primary students' learning about rules of arithmetic operation by worked-example learning.
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