Everest, the highest peak in the world, is 8844m higher than sea level, which is expressed as + 18844m. Then the height of sea level is expressed as + 18844m（

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• 1. As shown in the picture, the highest point on the land is the summit of Mount Everest, and the lowest point is located in the Dead Sea Lake in Western Asia. What is the height difference between the two places? Mount Everest: 8844.43 m dead sea: - 415 M
• 2. What is the relative altitude between the lowest land in Turpan Basin and the world's highest peak, Mount Qomolangma, 155 meters below sea level? What is the relative height between the altitude of Turpan Basin, the lowest land in China, 155 meters below sea level and the world's highest peak, Mount Qomolangma?
• 3. If Mt. Qomolangma is 8844m higher than sea level, it should be recorded as + 8844m. If the Turpan Basin is 155m lower than sea level, it should be recorded as + 8844m______ Mt. Qomolangma is higher than Turpan Basin______ Rice
• 4. 19 36 9 68 4 84 () () find the rule and fill in two numbers after it
• 5. Find the law, 1,1,2,3,5,8,13, find the next five numbers
• 6. Fill in the numbers according to the rules: 2 and 1 / 4, 3 and 1 / 9, 5 and 2 / 16, 7 and 3 / 25, 11 and 5 / 36, 13 and 8 / 49, () /?
• 7. Fill in the appropriate number according to the rule______ ，______ ②1，3，7，15，31，______ ，127，255③1，1，3，7，13，______ ，______ ．
• 8. How to fill in 3 / 4 1 / 2 1 / 3 () 4 / 27 (),
• 9. Fill in the number according to the rule: 1, 4, 9, 16, 25______ ，49，64．
• 10. 1,3,8,21,55 () () fill in the numbers according to the rules. How can the third grade explain to the children
• 11. As shown in the picture, the highest point on the land is the peak of Mount Everest, 8844.4 m, and the lowest point is located in the west of Asia, the lake called dead sea, which is less than 415 from the sea level
• 12. How many meters is Mount Everest, the highest peak in the world?
• 13. 2. The altitude of the highest Mount Everest in the world is 8844m, and the altitude of the lowest Dead Sea is - 400m. The relative altitude of the two places is () A. 8844m b.9244m c.12844m d.2212m
• 14. The highest peak in the world is Mount Everest, and the lowest point on the land is a lake called dead sea in the west of Asia. What is the height difference between the two places? Mount Everest is 8844m high and the dead sea is - 392m high
• 15. What is the average altitude of the Qinghai Tibet plateau What is the average altitude of the Qinghai Tibet plateau? Please indicate which document (published year, author, magazine name) specifically reported this event The news, what I heard, is nothing
• 16. Is altitude 0 the average height of sea level?
• 17. The altitude of sea level is recorded as 0 m, and the altitude is + 450 m, indicating______ The altitude is - 102 m, which means______ ．
• 18. 1. If the altitude of sea level is 0 m, then the altitude is + 450 m, which means (), and the altitude is - 102 1. If the altitude of sea level is 0 m, then the altitude is + 450 m, which means (), and the altitude is - 102 m, which means (). 2. The standard water level of a reservoir is 0 M. if the height above the standard water level is expressed by a positive number, then + 0.08 means (), - 0.2 means ()
• 19. Why is it that the average altitude of the Qinghai Tibet Plateau is more than 4000 meters while the average altitude of the Pamir Plateau is more than 5000 meters that the Qinghai Tibet Plateau is called the highest plateau?
• 20. What is the average altitude of the Qinghai Tibet plateau?