youdao

Problem solving is not only a productive activity process, but also an advanced learning process.

问题解决既是一项创造性的实践活动，又是一个高级的学习过程。

youdao

Problem solving is not only a productive activity process, but also an advanced learning process.

问题解决既是一项创造性的实践活动，又是一个高级的学习过程。

youdao