初高中的知识衔接 英语智力冲浪题.懒得去算0.0 thanks~
问题描述：
初高中的知识衔接 英语智力冲浪题.懒得去算0.0 thanks~
A borrowed $10 from B; B borrowed $20 from C;C borrowed $30 from D and D borrowed $40 from A.How do they pay their debts off completely using very small amounts of money?
答
B,C and D gave A 10 yuan per person