A:This is my father. He is a policeman.
B:This is my mother. She is a teacher.
Wang Tao ______ makes large pieces of metal art_____ makes smaller pieces for the home.
55.2÷6=____
某农户2010年的年收入为4万元,由于“惠农政策”的落实,2012年年收入增加到5.8万元.设每年的年增长率x相同,则可列出方程为____.