The child asked his mother for 500 yuan and his father for 500 yuan for his birthday. He bought a pair of shoes and used 970 yuan, leaving 30 yuan. He returned 10 yuan to his mother, 10 yuan to his father, and 10 yuan to himself. That is to say, he now owes his mother 490 yuan and his father 490 yuan, plus his 10 yuan 490 × 2 + 10 = 990 yuan, where is the remaining 10 yuan?

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• 1. Xiao Ming borrowed 500 yuan from his father and 500 yuan from his mother to buy clothes. He spent 970 yuan and left 30 yuan to return to his father 10 yuan to his mother 10 yuan. Now he owes his father 4 yuan Xiao Ming borrowed 500 yuan from his father and 500 yuan from his mother to buy clothes. He spent 970 yuan and left 30 yuan for his father 10 yuan for his mother 10 yuan. Now he owes 490 yuan to his father and 490 yuan to his mother 490.490 + 490 = 980 plus his 10 = 990. Where is the remaining 10 yuan
• 2. I borrowed 500 yuan from my mother, borrowed 500 yuan from my father, bought a pair of shoes, used 970 yuan, left 30 yuan, returned 10 yuan to my father, returned 10 yuan to my mother, I left 10 yuan, owed 490 yuan to my father, owed 490 yuan to my mother, 490 10 490 = 980 yuan. Plus my 10 yuan = 990 yuan. Where's the other 10? Understand for me?
• 3. How to make 8 equal 1000
• 4. Eight numbers [8], how to make it equal to 1000?
• 5. How to make it equal to 1000? If the answer is (8 + 8) * 8 * 8-8-8-8 = 1000,
• 6. How to make eight eights equal 1000
• 7. Eight eights, how to make it equal to 1000?
• 8. How to make 8 "8" equal to 1000? Use "+", "-", "×" and "△"
• 9. How to make it equal to 1000
• 10. Eight eights are 1000 Using the method of addition, subtraction, multiplication and division
• 11. Borrow mom and dad 500, spend 970, leave 30, everyone still 10, leave 10 also owe 490490 * 2 + 10 equal to 990 yuan, where is the remaining 10 yuan?
• 12. Xiao Ming borrows 500 yuan from his mother and 500 yuan from his father to buy a pair of shoes worth 970 yuan. There are 30 yuan left and 10 yuan each to his mother and father, Leave 10 yuan for yourself, 490 yuan for mom and Dad, 490 + 490 = 980 + 10 yuan for yourself, where is the remaining 10 yuan
• 13. Xiao Ming borrowed 500 yuan from his father and 500 yuan from his mother. It cost 970 yuan to buy a pair of shoes. He returned 10 yuan to his father and 10 yuan to his mother. That's 490 yuan to his father and 490 yuan to his mother, a total of 980 yuan. In addition, Xiao Ming's 10 yuan is 990 yuan. Where is the other 10 yuan
• 14. Xiao Ming borrowed 500 from his parents and bought a pair of shoes 970. There was 30 left. He gave 10 yuan to his father, 10 yuan to his mother, and 10 yuan to himself. Finally, he had to return 49 yuan to his parents. He asked: father 49 yuan, mother 49 yuan, and he had 10 yuan, a total of 99 yuan. What about 10 yuan?
• 15. I borrowed 500 from my father, borrowed 500 from my mother, bought a pair of shoes, and used 970. The remaining 30 yuan, 10 yuan for my father, 10 yuan for my mother, and 10 yuan for myself I borrowed 500 from my father, borrowed 500 from my mother, bought a pair of shoes, and used 970. The remaining 30 yuan, I returned 10 yuan to my father, 10 yuan to my mother, I left 10 yuan, I owed 490 yuan to my father, 490490 yuan to my mother, 490 yuan = 980. Plus my own 10 yuan = 990 yuan, where are the other 10 yuan? Have you been surrounded?
• 16. Today, I went shopping, 500 yuan from my father, 500 yuan from my mother, and bought a pair of shoes. I spent 970 yuan, 30 yuan left, 10 yuan for my father, 10 yuan for my mother, 10 yuan for myself, 490 yuan for my father, 490 yuan for my mother, 490 + 490 = 980. Plus 10 yuan for myself, 980 + 10 = 990, where's 10 yuan
• 17. Xiao Ming borrowed 500 yuan from his father and 500 yuan from his mother. He spent 970 yuan on a pair of leather shoes, the remaining 30 yuan, returned 10 yuan to his father, 10 yuan to his mother, and kept the remaining 10 yuan himself. So he owed 490 yuan to his father and 490 yuan to his mother, a total of 490 + 490 = 980 yuan, plus the remaining 10 yuan, a total of 990 yuan. Where is the other 10 yuan, and how to calculate it?
• 18. Borrow 500 from my father, borrow 500 from my mother, it cost 970 to buy things, 30 left, 10 yuan for my father, 10 yuan for my mother, 10 yuan for myself, 490 for my father, 490 for my mother I borrowed 500 from my father and 500 from my mother. It cost 970 to buy things, but there was 30 left, 10 yuan for my father, 10 yuan for my mother, 10 yuan for myself, 490 yuan for my father, 490 yuan for my mother, 980 yuan in total, and 10 yuan for myself, 990 yuan in total. Where is the remaining 10 yuan!
• 19. Xiao Ming asked his mother to borrow 500 yuan and his father to borrow 500 yuan. He used 970 yuan to buy things and left 30 yuan Xiao Ming asked his mother to borrow 500 yuan and his father to borrow 500 yuan. He used 970 yuan to buy things and left 30 yuan. Later, he returned 10 yuan to his mother and 10 yuan to his father. The remaining 10 yuan is for his own use. Now he owes 490 yuan to his mother and 490 yuan to his father. A total of 980 yuan is owed, plus his own 10 yuan, a total of 490 yuan?
• 20. Xiao Ming borrows 500 yuan from his parents to buy shoes, which is 970 yuan. Then Xiao Peng returns 10 yuan to his parents. That is to say, Xiao Ming owes his parents 490 + 490 + 10 yuan, which is 990 yuan Xiao Ming borrows 500 yuan from his parents to buy shoes, which is 970 yuan. Then Xiao Peng returns 10 yuan to his parents. That is to say, Xiao Ming owes his parents 490 + 490 + 10 yuan, which is 990 yuan Where's 10 more?