Article in English: You can hold the Ctrl key to select multiple rows. Select “Hide”. The rows will be hidden from the spreadsheet. To unhide the rows, use the row selector to highlight the rows above and below the hidden rows. For example, select Row 4 and Row 8 if Rows 5-7 are hidden.  Right-click within the highlighted area. Select “Unhide”.

Summary in Indonesian:
Gunakan selektor baris untuk menyorot (highlight) baris-baris yang Anda ingin sembunyikan. Klik-kanan di dalam area yang disorot. Tampakkan baris.