Wells, Alison
Subtraction. - Tarrytown, New York : Benchmark Books, 1995. - 32 pages: Illus. - Discovering Math .
0-7614-0594-1
Subtraction--Juvenile Literature
Subtraction. - Tarrytown, New York : Benchmark Books, 1995. - 32 pages: Illus. - Discovering Math .
0-7614-0594-1
Subtraction--Juvenile Literature