27 July 練習 https://docs.google.com/spreadsheet/ccc?key=0Au1_dzm6jSZRcFo2N0VzS2F5UHJaaW5vVTVRQzNfTWc#gid=0 https://docs.google.com/document/d/1QsBasGTy-kssuBR5whMcWkxUObh_Jjz3FklCF_1MqTA/edit https://docs.google.com/document/d/1Xv3qm64eif8P9CsvuJmPXdlhA-L9nSeRwfFpcL2HeQg/edit PR