Just add the numbers, and divide the result by 3 (since there are 3 numbers).
600 plus 489 equals 1,089.
489 + 689 = 1178
375 + 489 = 864
312 + 177 = 489
the lowest nummber that is a factor of 489 is 3!
3 plus 3-4 plus 938-489 plus 34 is equal to 485.
244 + 245 = 489
The numbers are 244 and 245.
668 + 489 = 1157.
490 and 90
97.8
It is -489.