I borrowed 500 yuan from my father, borrowed 500 yuan from my mother, bought a pair of shoes, spent 970 yuan, left 30 yuan, returned 10 yuan to my father, returned 10 yuan to my mother, and left 10 yuan for myself. Therefore, I owe 490 yuan to my father, 490 yuan to my mother, 490 + 490 = 980, and my own 10 yuan is 980 + 10 = 990?

I borrowed 500 yuan from my father, borrowed 500 yuan from my mother, bought a pair of shoes, spent 970 yuan, left 30 yuan, returned 10 yuan to my father, returned 10 yuan to my mother, and left 10 yuan for myself. Therefore, I owe 490 yuan to my father, 490 yuan to my mother, 490 + 490 = 980, and my own 10 yuan is 980 + 10 = 990?

Your logic is wrong, pro! First of all, I borrowed 500 yuan from my father and 500 yuan from my mother. I spent 970 yuan on a pair of shoes and 30 yuan left. The money here is still right. I returned 10 yuan to my father and 10 yuan to my mother, and I still have 10 yuan left. The money here is right. I owe 490 yuan to my father and 490 yuan to my mother. The logic is also right, but you calculate like this