How many rivers are there over 1000 square kilometers in China More than 500 More than b1000 More than 600 More than d1800

More than 600

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1. The length unit of the Yangtze River, Yellow River, Pearl River and Huaihe River in China is kilometer
2. It's 65 kilometers per hour by car and 5 kilometers per hour by foot. It's 12 minutes from school to home by car. How long does it take to walk? It can't be solved by equations, and there are assumptions
3. 1 mm = () cm 1 cm = () decimeter 1 decimeter = () meter 1 meter = () kilometer 1 kilometer = () hectare
4. The railway between Shanghai and Nanjing is about 300 km long, and it takes a few hours after departure When can the EMU catch up with the ordinary express train? (PS: the EMU can travel 180 kilometers per hour; the Ordinary Express can travel 80 kilometers per hour)
5. The railway from Beijing to Nanjing is about 1200 kilometers long. It takes 10 hours for the express train and 15 hours for the slow train. The two trains leave from both places at the same time and meet in a few hours
6. The car runs from Nanjing to Shanghai 274 km away, with an average speed of 80 km an hour Find the functional relationship between the distance s (km) and the travel time t (H) of the car from Shanghai, write out the value range of the independent variable, and draw the image of the function
7. Millimeter centimeter decimeter kilometer (kilometer) is the unit of object (), called () unit
8. How much should be recorded when the length of an object measured in Decimeter is 4.5786m
9. How to measure the length of a coil of rope with a 1 meter long ruler?
10. 45 minutes = () hours 47 square minutes = () square meters 3 hours = () days 132 seconds = () minutes 195kg = () tons 600 meters = () kilometers! 1
11. Please check for me that the Yangtze River is longer than all other rivers in China
12. What is the length of the four rivers in China? I want to know today that Chinese class should use
13. Who knows which of the seven major rivers in China is the Pearl River in terms of length and drainage area, Friends with rich knowledge of the Pearl River come in and have a look
14. What are the seven traditional rivers in China? How long are they?
15. French river characteristics a river is relatively short, B River basically flows from south to north, C river is dense, there are many canals, D river is outflow river
16. The rivers in China, known as the rivers on the ground, are as follows:
17. The length and depth of the generalized table (a, (a, b), D, e, ((I, J), K)) are (). A.5,3 b.5,5 c.6,4 d.6,6 respectively
18. Let generalized Table L = ((a, b), C, ((D, e), f), H), find the length and depth of generalized table, and what are the header and tail of generalized table l?
19. The value of life lies not in its length but in its depth
20. We can't change the length of life, but we can change the width of life