{"text_format":"2","workbook":"xlsx","n_sheets":1,"sheets":["Sheet1 (3)"],"not_rendered":{"charts":0,"images":9,"macros":1,"external_links":0,"defined_names":0,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"Sheet1 (3)","index":0,"n_rows":13,"n_cols":4,"rows_kept":13,"cut":false,"hidden":false,"merged":[[4,2,4,3]]}
[null,null,{"$f":"RANDBETWEEN(0,59)","v":50}]
[null,"時","分","秒"]
[null,{"$f":"RANDBETWEEN(0,11)","v":11},{"$f":"RANDBETWEEN(0,59)","v":51},{"$f":"RANDBETWEEN(0,59)","v":34}]
[null,null,"三角形の面積"]
[]
[]
[null,"三本の針の先が構成する三角形の面積を求めてください"]
[null,"円の半径は１とします。"]
[null,"正解/不正解の判定は小数点10桁以下の誤差であれば"]
[null,"〇としています。"]
[]
[null,"なお、長針短針ともに、一秒毎にすこしづつ動きます"]
[null,"（ジョー3の最初の問題と同じです）"]