下列句子中均有一处或几处错误,请将错误找出并在后面的横线上改正.

下列句子中均有一处或几处错误,请将错误找出并在后面的横线上改正.1.In my family,my brother plays the chess well.2.There are thirtieth days in June.3.The five person in the picture is my cousin..4.There are 52th students in our class.5.Three minus eight equals eleven.6.They planted eight thousand three hundred twenty-five trees.