Where is Orbost Gallery sitting?When does Orbost Gallery open every day in April?How far is Orbost Gallery from Dunvegan?What is the telephone number of Orbost Gallery?In which country do you think Orbost Gallery is?
2化成假分数是 ,里面有 个.
把1个梨分成5份,每份是这个梨的 .
的分数单位是 ;里面有 个;5个是 .
是 个,是3个 .
分数中,当a 时,是真分数;当a 时,是它的分数单位.