Jack(@Jack730213):This afternoon, I spent about 2 hours to help my daughter in 7er Class to prepare the math examination of tomorrow...now I understand the ranking position of german student jin PISA and I have to say " we cannot count on them for the competition of the next generation", I am so sorry to say that.....

2026.06.24 18:28

This afternoon, I spent about 2 hours to help my daughter in 7er Class to prepare the math examination of tomorrow...now I understand the ranking position of german student jin PISA and I have to say " we cannot count on them for the competition of the next generation", I am so sorry to say that.....

显示更多