建设化肥厂二月份计划生产化肥6800袋，实际上半月生产了计划的59%，下半月生产了计划的56%，全月超过计划多少袋？
解：6800×（59%+56%﹣1）
=6800×15%
=1020（袋）
答：全月超过计划的1020袋
下列二次函数中，图象以直线x = 2为对称轴，且经过点(0，1)的是( )
Last year, some groups of students in their community (社区) made a survey about “How do people spend their free time? ” The following diagrams(图表) show some results of it: Diagram (1): Hours for people of different ages who surf the Internet in a week. Diagram (2): Different days people go to the library. (library attendance)
Diagram (3): Different programs people like.
