Mathmania: Puzzlemania + Math (Crystal's Rabbits Cover) (All but one of Crystal's rabbits are white. All but one of her rabbits are black. How many rabbits does she have?)
By Jeff O'Hare.
Description
All but one of Crystal's rabbits are white. All but one of her rabbits are black. How many rabbits does she have? - from Amzon
ISBN(s)
0875349536, 9780875349534