This year, Xiaoming is 9 years old, his father is 38 years old, and his mother is 35 years old. A few years later, the sum of the ages of his parents is seven times that of Xiaoming

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• 1. Xiao Ming is 8 years old. He is 81 years old with his parents______ Three years later, their average age was 34, when Xiao Ming______ I'm 40 years old
• 2. Xiaoming is ten years old. His mother and father are 71 years old. How many years later, their average age will be 35 years old?
• 3. My parents' love for me
• 4. Thank you, mom and dad
• 5. Mom and Dad, I want to tell you composition Sometimes we have different views from our parents, even misunderstanding. Just write one thing. I don't want to copy, I want to refer to how others write
• 6. Mom and Dad, I want to tell you
• 7. Mom and Dad, I want to tell you
• 8. In honoring relatives of the other party, the word "Ling" is often used as the first word, calling Father () mother () husband () wife () son () daughter ()
• 9. Why is that so? I borrowed 500 yuan from my father and 500 yuan from my mother. Then I bought a pair of shoes, used 970 yuan and left 30 yuan. I returned it to my father I returned 10 yuan to my father, 10 yuan to my mother, and 10 yuan to myself. In this way, I owe 490 yuan to my father, 490490 yuan to my mother, 490 yuan to my mother, and 10 yuan to myself. Where is the remaining 10 yuan?
• 10. Xiao Ming borrowed 500 yuan from his father and 500 yuan from his mother. He spent 970 yuan on a pair of shoes and left 30 yuan. Then 490 + 490 = 980 yuan. If you add 10 yuan, it's 990 yuan. I don't think that's wrong. You should return 10 yuan to your parents. The remaining 970 yuan is the best. Who can give the best explanation? The question is why do you still ask where the 10 yuan is? If you run 10 yuan, you will get 990 yuan
• 11. Xiaoming is 10 years old. The sum of his mother's and father's age is 71 years old. How many years later, their average age is 35 years old
• 12. Xiaoming is 9 years old, his father is 38 years old and his mother is 35 years old. A few years later, the sum of his parents' ages is seven times of Xiaoming's?
• 13. The total age of Xiaoming's parents is 82. His father is 2 years older than his mother. What's the age of his father? List the equality between quantities formulation of equation Complete plus reward
• 14. Can you spell it in English?
• 15. Suppose the bonus tax rate is as follows (a for bonus, R for tax rate) a
• 16. It costs 6.8 yuan to buy 1000 kg of apples and 3000 kg of grapes. It is known that 1000 kg of apples is twice as much as 2000 kg of grapes. It costs 0.3 yuan. How much is 500 g of apples
• 17. The sum of all the numbers in the sequence 1,2,3,... 10000? The answer is 180001
• 18. General term of sequence A1 = 2, an = [a (n-1) + 1] * [10000 + 10000a (n-1)] / [10000 + 10000a (n-2] to find the general term formula, this, should not be solved... No way to start
• 19. Find a general formula of the following sequence 5.50.500.5000
• 20. General term formula of sequence 5,505005000