287 : 2 = 143.5
143.5 × 2 = 287
-
245 : 2 = 122.5
122 × 2 = 245
-
483 : 2 = 241.5
241 × 2 = 483
-
647 : 2 = 323.5
323.5 × 2 = 647
-
397 : 3 = 132.(3)
132.(3) × 3 = 397
-
365 : 3 = 121.(6)
121.(6) × 3 = 365
-
694 : 3 = 231.(3)
231.(3) × 3 = 694
-
968 : 3 = 322.(6)
322.(6) × 3 = 968