Sagot :
1.
2.References can be used in formulas to access data from a worksheet. A range of cells is specified by placing a colon (:) between two cell references. For example, the reference A1:C3 refers to the range anchored by cells A1 and C3. The range includes all cells in columns A, B, and C of rows 1, 2, and 3.
3.Every function has the following elements:
Function Declaration (Function Prototype)
Function Definition.
Function Call.