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.

youdao

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.

youdao