{"text_format":"1","workbook":"xlsx","n_sheets":2,"sheets":["Cover","Tabelle1"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":1,"defined_names":2,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"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"}

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[]
[]
[null,"Excel + VBA"]
[null,"im Unterricht"]
[]
[]
[null,"Kapitel",3]
[null,"Thema","Geometrische Aufgaben"]
[]
[null,"Inhalt","Kreisgleichungen"]
[null,null," "]
[null,null," "]
[]
[]
[]
[]
[]
[null,"Autor","Harald Nahrstedt"]
[null,"Datum","2020-08-01"]
[null,"Version","1.0"]
[]
[]
[null,"Springer Verlag"]

{"sheet":"Tabelle1","index":1,"n_rows":8,"n_cols":8,"rows_kept":8,"cut":false,"hidden":false,"merged":[]}
["a","b","c","d","xm","ym","r","Gleichung in der Normalform"]
[1,4,6,-12,-2,-3,5,"xx + yy + 4x + 6y - 12 = 0"]
[1,-8,-5,32,null,null,null,"Keine Kreisgleichung!"]
[2,24,-10,0,-6,2.5,6.5," 2xx + 2yy + 24x - 10y + 0 = 0"]
[1,-8,0,-9,4,0,5,"xx + yy -8x +0y -9 = 0"]
[1,0,10,0,0,-5,5,"xx + yy + 0x + 10y + 0 = 0"]
[1,14,-8,40,-7,4,5,"xx + yy + 14x - 8y + 40 = 0"]
[9,-9,-6,-53,0.5,0.33333333333333331,2.5,"9xx +9yy -9x -6y -53 = 0"]