Tínha)2 × 3 × 1 = .......... = .........2 × 1 × 3 = ......... = ..........b)4 × 5 : 1 = ........... = ..........4 : 1 × 5 = ........... = ..........c)8 : 4 × 1 = ........... = ..........8 × 1 : 4 = ........... = ..........d)12 : 3 : 1 = .......... = ..........12 : 1 : 3 = .......... = ...........