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一位老师上课前先讲了一个故事:某同学要他父亲每星期给他10元零用钱,可是父亲觉得太多,他们争论了一会儿后,这位同学说:“爸爸,我出个主意,今天是4月份的第一天,你给我1角钱,明天你给我2角钱,后天给我4角钱,总之,每天给
A teacher told a story before class: A classmate asked his father to give him 10 yuan for pocket money every week, but his father felt too much. After they argued for a while, the classmate said, “Daddy, I made an idea. Today is the first day of April. You give me 1 cent. Tomorrow you give me 2 cents. The day after tomorrow gives me 4 cents. In short, every day gives