Materiał do pobrania z serwisu GCF:
https://media.gcflearnfree.org/content/5627dca29c7fab1314179c4c_10_21_2015/excel2016_subtotals_practice.xlsx
Materiał do pobrania z serwisu GCF:
https://media.gcflearnfree.org/content/5627dca29c7fab1314179c4c_10_21_2015/excel2016_subtotals_practice.xlsx