What is the length of the four rivers in China? I want to know today that Chinese class should use

What is the length of the four rivers in China? I want to know today that Chinese class should use

The Yangtze River is 6397 kilometers long
The Yellow River is 5464 kilometers long
The Pearl River is 2400 kilometers long
The Huaihe River is 1000 kilometers long

What are the lengths of these four rivers in China
I need to know today,

First: the Yangtze River (with Tuotuo River as its source), 6397 km
Second: the Yellow River (with the source of the ancient Lequ), 5464 km
Third: Heilongjiang (Hailar River as the source), 3101 km
Fourth: Pearl River (with Hongshui River as its source), 2216 km
Fifth: Liaohe River (West Liaohe River as the source), 1390 km
Sixth: Haihe River (Yongding River as the source), 1090 km
Seventh: Huaihe River, 1000 km

How long are the Yangtze River, Yellow River, Pearl River and Huaihe River in China?

The Yangtze River is 6211.31km
5500km of the Yellow River
2400km of Pearl River
1000 km of Huaihe River