题目

Do not underestimate the power of revision in the days and hours before an examination. The closer you are to the exams, the more chance you have to store and retain crucial information. But do not overdo it. 53_______ An effective daily routine can help you through an exam period, so in the days leading up to your first exam, get into the habit of being up and ready to work by game. It can be a shock to the system after months of working to your own timetable to be mentally alert at that time if you have not prepared for it. On the day of exam, have a good breakfast, pack two of ever小华和小红清理储钱罐，小华发现给小红2.5元后两人的钱数就同样多了．小华原来比小红多多少元？